Merge with /home/shaggy/git/linus-clean/

46 files changed, 2748 insertions, 1010 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 9f2352bd8348..745979f33dc2 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -146,6 +146,7 @@ static int evdev_open(struct inode * inode, struct file * file)
 }
 
 #ifdef CONFIG_COMPAT
+
 struct input_event_compat {
 	struct compat_timeval time;
 	__u16 type;
@@ -153,11 +154,13 @@ struct input_event_compat {
 	__s32 value;
 };
 
+/* Note to the author of this code: did it ever occur to
+   you why the ifdefs are needed? Think about it again. -AK */
 #ifdef CONFIG_X86_64
-#  define COMPAT_TEST test_thread_flag(TIF_IA32)
+#  define COMPAT_TEST is_compat_task()
 #elif defined(CONFIG_IA64)
-#  define COMPAT_TEST IS_IA32_PROCESS(ia64_task_regs(current))
-#elif defined(CONFIG_ARCH_S390)
+#  define COMPAT_TEST IS_IA32_PROCESS(task_pt_regs(current))
+#elif defined(CONFIG_S390)
 #  define COMPAT_TEST test_thread_flag(TIF_31BIT)
 #elif defined(CONFIG_MIPS)
 #  define COMPAT_TEST (current->thread.mflags & MF_32BIT_ADDR)
@@ -165,98 +168,107 @@ struct input_event_compat {
 #  define COMPAT_TEST test_thread_flag(TIF_32BIT)
 #endif
 
-static ssize_t evdev_write_compat(struct file * file, const char __user * buffer, size_t count, loff_t *ppos)
+static inline size_t evdev_event_size(void)
 {
-	struct evdev_list *list = file->private_data;
-	struct input_event_compat event;
-	int retval = 0;
+	return COMPAT_TEST ?
+		sizeof(struct input_event_compat) : sizeof(struct input_event);
+}
 
-	while (retval < count) {
-		if (copy_from_user(&event, buffer + retval, sizeof(struct input_event_compat)))
+static int evdev_event_from_user(const char __user *buffer, struct input_event *event)
+{
+	if (COMPAT_TEST) {
+		struct input_event_compat compat_event;
+
+		if (copy_from_user(&compat_event, buffer, sizeof(struct input_event_compat)))
+			return -EFAULT;
+
+		event->time.tv_sec = compat_event.time.tv_sec;
+		event->time.tv_usec = compat_event.time.tv_usec;
+		event->type = compat_event.type;
+		event->code = compat_event.code;
+		event->value = compat_event.value;
+
+	} else {
+		if (copy_from_user(event, buffer, sizeof(struct input_event)))
 			return -EFAULT;
-		input_event(list->evdev->handle.dev, event.type, event.code, event.value);
-		retval += sizeof(struct input_event_compat);
 	}
 
-	return retval;
+	return 0;
 }
-#endif
 
-static ssize_t evdev_write(struct file * file, const char __user * buffer, size_t count, loff_t *ppos)
+static int evdev_event_to_user(char __user *buffer, const struct input_event *event)
 {
-	struct evdev_list *list = file->private_data;
-	struct input_event event;
-	int retval = 0;
-
-	if (!list->evdev->exist) return -ENODEV;
+	if (COMPAT_TEST) {
+		struct input_event_compat compat_event;
 
-#ifdef CONFIG_COMPAT
-	if (COMPAT_TEST)
-		return evdev_write_compat(file, buffer, count, ppos);
-#endif
+		compat_event.time.tv_sec = event->time.tv_sec;
+		compat_event.time.tv_usec = event->time.tv_usec;
+		compat_event.type = event->type;
+		compat_event.code = event->code;
+		compat_event.value = event->value;
 
-	while (retval < count) {
+		if (copy_to_user(buffer, &compat_event, sizeof(struct input_event_compat)))
+			return -EFAULT;
 
-		if (copy_from_user(&event, buffer + retval, sizeof(struct input_event)))
+	} else {
+		if (copy_to_user(buffer, event, sizeof(struct input_event)))
 			return -EFAULT;
-		input_event(list->evdev->handle.dev, event.type, event.code, event.value);
-		retval += sizeof(struct input_event);
 	}
 
-	return retval;
+	return 0;
 }
 
-#ifdef CONFIG_COMPAT
-static ssize_t evdev_read_compat(struct file * file, char __user * buffer, size_t count, loff_t *ppos)
+#else
+
+static inline size_t evdev_event_size(void)
 {
-	struct evdev_list *list = file->private_data;
-	int retval;
+	return sizeof(struct input_event);
+}
 
-	if (count < sizeof(struct input_event_compat))
-		return -EINVAL;
+static int evdev_event_from_user(const char __user *buffer, struct input_event *event)
+{
+	if (copy_from_user(event, buffer, sizeof(struct input_event)))
+		return -EFAULT;
 
-	if (list->head == list->tail && list->evdev->exist && (file->f_flags & O_NONBLOCK))
-		return -EAGAIN;
+	return 0;
+}
 
-	retval = wait_event_interruptible(list->evdev->wait,
-		list->head != list->tail || (!list->evdev->exist));
+static int evdev_event_to_user(char __user *buffer, const struct input_event *event)
+{
+	if (copy_to_user(buffer, event, sizeof(struct input_event)))
+		return -EFAULT;
 
-	if (retval)
-		return retval;
+	return 0;
+}
+
+#endif /* CONFIG_COMPAT */
+
+static ssize_t evdev_write(struct file * file, const char __user * buffer, size_t count, loff_t *ppos)
+{
+	struct evdev_list *list = file->private_data;
+	struct input_event event;
+	int retval = 0;
 
 	if (!list->evdev->exist)
 		return -ENODEV;
 
-	while (list->head != list->tail && retval + sizeof(struct input_event_compat) <= count) {
-		struct input_event *event = (struct input_event *) list->buffer + list->tail;
-		struct input_event_compat event_compat;
-		event_compat.time.tv_sec = event->time.tv_sec;
-		event_compat.time.tv_usec = event->time.tv_usec;
-		event_compat.type = event->type;
-		event_compat.code = event->code;
-		event_compat.value = event->value;
-
-		if (copy_to_user(buffer + retval, &event_compat,
-			sizeof(struct input_event_compat))) return -EFAULT;
-		list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1);
-		retval += sizeof(struct input_event_compat);
+	while (retval < count) {
+
+		if (evdev_event_from_user(buffer + retval, &event))
+			return -EFAULT;
+		input_event(list->evdev->handle.dev, event.type, event.code, event.value);
+		retval += evdev_event_size();
 	}
 
 	return retval;
 }
-#endif
 
 static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count, loff_t *ppos)
 {
 	struct evdev_list *list = file->private_data;
 	int retval;
 
-#ifdef CONFIG_COMPAT
-	if (COMPAT_TEST)
-		return evdev_read_compat(file, buffer, count, ppos);
-#endif
-
-	if (count < sizeof(struct input_event))
+	if (count < evdev_event_size())
 		return -EINVAL;
 
 	if (list->head == list->tail && list->evdev->exist && (file->f_flags & O_NONBLOCK))
@@ -271,11 +283,15 @@ static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count
 	if (!list->evdev->exist)
 		return -ENODEV;
 
-	while (list->head != list->tail && retval + sizeof(struct input_event) <= count) {
-		if (copy_to_user(buffer + retval, list->buffer + list->tail,
-			sizeof(struct input_event))) return -EFAULT;
+	while (list->head != list->tail && retval + evdev_event_size() <= count) {
+
+		struct input_event *event = (struct input_event *) list->buffer + list->tail;
+
+		if (evdev_event_to_user(buffer + retval, event))
+			return -EFAULT;
+
 		list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1);
-		retval += sizeof(struct input_event);
+		retval += evdev_event_size();
 	}
 
 	return retval;
@@ -290,17 +306,95 @@ static unsigned int evdev_poll(struct file *file, poll_table *wait)
 		(list->evdev->exist ? 0 : (POLLHUP | POLLERR));
 }
 
-static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+#ifdef CONFIG_COMPAT
+
+#define BITS_PER_LONG_COMPAT (sizeof(compat_long_t) * 8)
+#define NBITS_COMPAT(x) ((((x) - 1) / BITS_PER_LONG_COMPAT) + 1)
+
+#ifdef __BIG_ENDIAN
+static int bits_to_user(unsigned long *bits, unsigned int maxbit,
+			unsigned int maxlen, void __user *p, int compat)
+{
+	int len, i;
+
+	if (compat) {
+		len = NBITS_COMPAT(maxbit) * sizeof(compat_long_t);
+		if (len < maxlen)
+			len = maxlen;
+
+		for (i = 0; i < len / sizeof(compat_long_t); i++)
+			if (copy_to_user((compat_long_t __user *) p + i,
+					 (compat_long_t *) bits +
+						i + 1 - ((i % 2) << 1),
+					 sizeof(compat_long_t)))
+				return -EFAULT;
+	} else {
+		len = NBITS(maxbit) * sizeof(long);
+		if (len > maxlen)
+			len = maxlen;
+
+		if (copy_to_user(p, bits, len))
+			return -EFAULT;
+	}
+
+	return len;
+}
+#else
+static int bits_to_user(unsigned long *bits, unsigned int maxbit,
+			unsigned int maxlen, void __user *p, int compat)
+{
+	int len = compat ?
+			NBITS_COMPAT(maxbit) * sizeof(compat_long_t) :
+			NBITS(maxbit) * sizeof(long);
+
+	if (len > maxlen)
+		len = maxlen;
+
+	return copy_to_user(p, bits, len) ? -EFAULT : len;
+}
+#endif /* __BIG_ENDIAN */
+
+#else
+
+static int bits_to_user(unsigned long *bits, unsigned int maxbit,
+			unsigned int maxlen, void __user *p, int compat)
+{
+	int len = NBITS(maxbit) * sizeof(long);
+
+	if (len > maxlen)
+		len = maxlen;
+
+	return copy_to_user(p, bits, len) ? -EFAULT : len;
+}
+
+#endif /* CONFIG_COMPAT */
+
+static int str_to_user(const char *str, unsigned int maxlen, void __user *p)
+{
+	int len;
+
+	if (!str)
+		return -ENOENT;
+
+	len = strlen(str) + 1;
+	if (len > maxlen)
+		len = maxlen;
+
+	return copy_to_user(p, str, len) ? -EFAULT : len;
+}
+
+static long evdev_ioctl_handler(struct file *file, unsigned int cmd,
+				void __user *p, int compat_mode)
 {
 	struct evdev_list *list = file->private_data;
 	struct evdev *evdev = list->evdev;
 	struct input_dev *dev = evdev->handle.dev;
 	struct input_absinfo abs;
-	void __user *p = (void __user *)arg;
-	int __user *ip = (int __user *)arg;
+	int __user *ip = (int __user *)p;
 	int i, t, u, v;
 
-	if (!evdev->exist) return -ENODEV;
+	if (!evdev->exist)
+		return -ENODEV;
 
 	switch (cmd) {
 
@@ -308,26 +402,39 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			return put_user(EV_VERSION, ip);
 
 		case EVIOCGID:
-			return copy_to_user(p, &dev->id, sizeof(struct input_id)) ? -EFAULT : 0;
+			if (copy_to_user(p, &dev->id, sizeof(struct input_id)))
+				return -EFAULT;
+
+			return 0;
 
 		case EVIOCGKEYCODE:
-			if (get_user(t, ip)) return -EFAULT;
-			if (t < 0 || t >= dev->keycodemax || !dev->keycodesize) return -EINVAL;
-			if (put_user(INPUT_KEYCODE(dev, t), ip + 1)) return -EFAULT;
+			if (get_user(t, ip))
+				return -EFAULT;
+			if (t < 0 || t >= dev->keycodemax || !dev->keycodesize)
+				return -EINVAL;
+			if (put_user(INPUT_KEYCODE(dev, t), ip + 1))
+				return -EFAULT;
 			return 0;
 
 		case EVIOCSKEYCODE:
-			if (get_user(t, ip)) return -EFAULT;
-			if (t < 0 || t >= dev->keycodemax || !dev->keycodesize) return -EINVAL;
-			if (get_user(v, ip + 1)) return -EFAULT;
-			if (v < 0 || v > KEY_MAX) return -EINVAL;
-			if (dev->keycodesize < sizeof(v) && (v >> (dev->keycodesize * 8))) return -EINVAL;
+			if (get_user(t, ip))
+				return -EFAULT;
+			if (t < 0 || t >= dev->keycodemax || !dev->keycodesize)
+				return -EINVAL;
+			if (get_user(v, ip + 1))
+				return -EFAULT;
+			if (v < 0 || v > KEY_MAX)
+				return -EINVAL;
+			if (dev->keycodesize < sizeof(v) && (v >> (dev->keycodesize * 8)))
+				return -EINVAL;
+
 			u = SET_INPUT_KEYCODE(dev, t, v);
 			clear_bit(u, dev->keybit);
 			set_bit(v, dev->keybit);
 			for (i = 0; i < dev->keycodemax; i++)
-				if (INPUT_KEYCODE(dev,i) == u)
+				if (INPUT_KEYCODE(dev, i) == u)
 					set_bit(u, dev->keybit);
+
 			return 0;
 
 		case EVIOCSFF:
@@ -338,17 +445,17 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				if (copy_from_user(&effect, p, sizeof(effect)))
 					return -EFAULT;
 				err = dev->upload_effect(dev, &effect);
-				if (put_user(effect.id, &(((struct ff_effect __user *)arg)->id)))
+				if (put_user(effect.id, &(((struct ff_effect __user *)p)->id)))
 					return -EFAULT;
 				return err;
-			}
-			else return -ENOSYS;
+			} else
+				return -ENOSYS;
 
 		case EVIOCRMFF:
-			if (dev->erase_effect) {
-				return dev->erase_effect(dev, (int)arg);
-			}
-			else return -ENOSYS;
+			if (!dev->erase_effect)
+				return -ENOSYS;
+
+			return dev->erase_effect(dev, (int)(unsigned long) p);
 
 		case EVIOCGEFFECTS:
 			if (put_user(dev->ff_effects_max, ip))
@@ -356,7 +463,7 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			return 0;
 
 		case EVIOCGRAB:
-			if (arg) {
+			if (p) {
 				if (evdev->grab)
 					return -EBUSY;
 				if (input_grab_device(&evdev->handle))
@@ -395,62 +502,33 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 						case EV_SW:  bits = dev->swbit;  len = SW_MAX;  break;
 						default: return -EINVAL;
 					}
-					len = NBITS(len) * sizeof(long);
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, bits, len) ? -EFAULT : len;
+					return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
 				}
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) {
-					int len;
-					len = NBITS(KEY_MAX) * sizeof(long);
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->key, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0)))
+					return bits_to_user(dev->key, KEY_MAX, _IOC_SIZE(cmd),
+							    p, compat_mode);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) {
-					int len;
-					len = NBITS(LED_MAX) * sizeof(long);
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->led, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0)))
+					return bits_to_user(dev->led, LED_MAX, _IOC_SIZE(cmd),
+							    p, compat_mode);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) {
-					int len;
-					len = NBITS(SND_MAX) * sizeof(long);
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->snd, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0)))
+					return bits_to_user(dev->snd, SND_MAX, _IOC_SIZE(cmd),
+							    p, compat_mode);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0))) {
-					int len;
-					len = NBITS(SW_MAX) * sizeof(long);
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->sw, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0)))
+					return bits_to_user(dev->sw, SW_MAX, _IOC_SIZE(cmd),
+							    p, compat_mode);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) {
-					int len;
-					if (!dev->name) return -ENOENT;
-					len = strlen(dev->name) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->name, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0)))
+					return str_to_user(dev->name, _IOC_SIZE(cmd), p);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) {
-					int len;
-					if (!dev->phys) return -ENOENT;
-					len = strlen(dev->phys) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->phys, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0)))
+					return str_to_user(dev->phys, _IOC_SIZE(cmd), p);
 
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) {
-					int len;
-					if (!dev->uniq) return -ENOENT;
-					len = strlen(dev->uniq) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->uniq, len) ? -EFAULT : len;
-				}
+				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0)))
+					return str_to_user(dev->uniq, _IOC_SIZE(cmd), p);
 
 				if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) {
 
@@ -492,158 +570,15 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	return -EINVAL;
 }
 
-#ifdef CONFIG_COMPAT
-
-#define BITS_PER_LONG_COMPAT (sizeof(compat_long_t) * 8)
-#define NBITS_COMPAT(x) ((((x)-1)/BITS_PER_LONG_COMPAT)+1)
-#define OFF_COMPAT(x)  ((x)%BITS_PER_LONG_COMPAT)
-#define BIT_COMPAT(x)  (1UL<<OFF_COMPAT(x))
-#define LONG_COMPAT(x) ((x)/BITS_PER_LONG_COMPAT)
-#define test_bit_compat(bit, array) ((array[LONG_COMPAT(bit)] >> OFF_COMPAT(bit)) & 1)
-
-#ifdef __BIG_ENDIAN
-#define bit_to_user(bit, max) \
-do { \
-	int i; \
-	int len = NBITS_COMPAT((max)) * sizeof(compat_long_t); \
-	if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); \
-	for (i = 0; i < len / sizeof(compat_long_t); i++) \
-		if (copy_to_user((compat_long_t __user *) p + i, \
-				 (compat_long_t*) (bit) + i + 1 - ((i % 2) << 1), \
-				 sizeof(compat_long_t))) \
-			return -EFAULT; \
-	return len; \
-} while (0)
-#else
-#define bit_to_user(bit, max) \
-do { \
-	int len = NBITS_COMPAT((max)) * sizeof(compat_long_t); \
-	if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); \
-	return copy_to_user(p, (bit), len) ? -EFAULT : len; \
-} while (0)
-#endif
+static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	return evdev_ioctl_handler(file, cmd, (void __user *)arg, 0);
+}
 
+#ifdef CONFIG_COMPAT
 static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct evdev_list *list = file->private_data;
-	struct evdev *evdev = list->evdev;
-	struct input_dev *dev = evdev->handle.dev;
-	struct input_absinfo abs;
-	void __user *p = compat_ptr(arg);
-
-	if (!evdev->exist) return -ENODEV;
-
-	switch (cmd) {
-
-		case EVIOCGVERSION:
-		case EVIOCGID:
-		case EVIOCGKEYCODE:
-		case EVIOCSKEYCODE:
-		case EVIOCSFF:
-		case EVIOCRMFF:
-		case EVIOCGEFFECTS:
-		case EVIOCGRAB:
-			return evdev_ioctl(file, cmd, (unsigned long) p);
-
-		default:
-
-			if (_IOC_TYPE(cmd) != 'E')
-				return -EINVAL;
-
-			if (_IOC_DIR(cmd) == _IOC_READ) {
-
-				if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0,0))) {
-					long *bits;
-					int max;
-
-					switch (_IOC_NR(cmd) & EV_MAX) {
-						case      0: bits = dev->evbit;  max = EV_MAX;  break;
-						case EV_KEY: bits = dev->keybit; max = KEY_MAX; break;
-						case EV_REL: bits = dev->relbit; max = REL_MAX; break;
-						case EV_ABS: bits = dev->absbit; max = ABS_MAX; break;
-						case EV_MSC: bits = dev->mscbit; max = MSC_MAX; break;
-						case EV_LED: bits = dev->ledbit; max = LED_MAX; break;
-						case EV_SND: bits = dev->sndbit; max = SND_MAX; break;
-						case EV_FF:  bits = dev->ffbit;  max = FF_MAX;  break;
-						case EV_SW:  bits = dev->swbit;  max = SW_MAX;  break;
-						default: return -EINVAL;
-					}
-					bit_to_user(bits, max);
-				}
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0)))
-					bit_to_user(dev->key, KEY_MAX);
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0)))
-					bit_to_user(dev->led, LED_MAX);
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0)))
-					bit_to_user(dev->snd, SND_MAX);
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0)))
-					bit_to_user(dev->sw, SW_MAX);
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) {
-					int len;
-					if (!dev->name) return -ENOENT;
-					len = strlen(dev->name) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->name, len) ? -EFAULT : len;
-				}
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) {
-					int len;
-					if (!dev->phys) return -ENOENT;
-					len = strlen(dev->phys) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->phys, len) ? -EFAULT : len;
-				}
-
-				if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) {
-					int len;
-					if (!dev->uniq) return -ENOENT;
-					len = strlen(dev->uniq) + 1;
-					if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
-					return copy_to_user(p, dev->uniq, len) ? -EFAULT : len;
-				}
-
-				if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) {
-
-					int t = _IOC_NR(cmd) & ABS_MAX;
-
-					abs.value = dev->abs[t];
-					abs.minimum = dev->absmin[t];
-					abs.maximum = dev->absmax[t];
-					abs.fuzz = dev->absfuzz[t];
-					abs.flat = dev->absflat[t];
-
-					if (copy_to_user(p, &abs, sizeof(struct input_absinfo)))
-						return -EFAULT;
-
-					return 0;
-				}
-			}
-
-			if (_IOC_DIR(cmd) == _IOC_WRITE) {
-
-				if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) {
-
-					int t = _IOC_NR(cmd) & ABS_MAX;
-
-					if (copy_from_user(&abs, p, sizeof(struct input_absinfo)))
-						return -EFAULT;
-
-					dev->abs[t] = abs.value;
-					dev->absmin[t] = abs.minimum;
-					dev->absmax[t] = abs.maximum;
-					dev->absfuzz[t] = abs.fuzz;
-					dev->absflat[t] = abs.flat;
-
-					return 0;
-				}
-			}
-	}
-	return -EINVAL;
+	return evdev_ioctl_handler(file, cmd, compat_ptr(arg), 1);
 }
 #endif
 
diff --git a/drivers/input/gameport/Kconfig b/drivers/input/gameport/Kconfig
index 7524bd7d8b8f..d279454a5c9e 100644
--- a/drivers/input/gameport/Kconfig
+++ b/drivers/input/gameport/Kconfig
@@ -52,5 +52,12 @@ config GAMEPORT_EMU10K1
 config GAMEPORT_FM801
 	tristate "ForteMedia FM801 gameport support"
 	depends on PCI
+	help
+	  Say Y here if you have ForteMedia FM801 PCI audio controller
+	  (Abit AU10, Genius Sound Maker, HP Workstation zx2000,
+	  and others), and want to use its gameport.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called fm801-gp.
 
 endif
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 0506934244f0..b765a155c008 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -50,9 +50,7 @@ static DECLARE_MUTEX(gameport_sem);
 
 static LIST_HEAD(gameport_list);
 
-static struct bus_type gameport_bus = {
-	.name =	"gameport",
-};
+static struct bus_type gameport_bus;
 
 static void gameport_add_port(struct gameport *gameport);
 static void gameport_destroy_port(struct gameport *gameport);
@@ -339,14 +337,20 @@ static struct gameport_event *gameport_get_event(void)
 	return event;
 }
 
-static void gameport_handle_events(void)
+static void gameport_handle_event(void)
 {
 	struct gameport_event *event;
 	struct gameport_driver *gameport_drv;
 
 	down(&gameport_sem);
 
-	while ((event = gameport_get_event())) {
+	/*
+	 * Note that we handle only one event here to give swsusp
+	 * a chance to freeze kgameportd thread. Gameport events
+	 * should be pretty rare so we are not concerned about
+	 * taking performance hit.
+	 */
+	if ((event = gameport_get_event())) {
 
 		switch (event->type) {
 			case GAMEPORT_REGISTER_PORT:
@@ -433,7 +437,7 @@ static struct gameport *gameport_get_pending_child(struct gameport *parent)
 static int gameport_thread(void *nothing)
 {
 	do {
-		gameport_handle_events();
+		gameport_handle_event();
 		wait_event_interruptible(gameport_wait,
 			kthread_should_stop() || !list_empty(&gameport_event_list));
 		try_to_freeze();
@@ -697,11 +701,15 @@ static int gameport_driver_remove(struct device *dev)
 	return 0;
 }
 
+static struct bus_type gameport_bus = {
+	.name =	"gameport",
+	.probe = gameport_driver_probe,
+	.remove = gameport_driver_remove,
+};
+
 void __gameport_register_driver(struct gameport_driver *drv, struct module *owner)
 {
 	drv->driver.bus = &gameport_bus;
-	drv->driver.probe = gameport_driver_probe;
-	drv->driver.remove = gameport_driver_remove;
 	gameport_queue_event(drv, owner, GAMEPORT_REGISTER_DRIVER);
 }
 
diff --git a/drivers/input/input.c b/drivers/input/input.c
index c8ae2bb054e0..4fe3da3c667a 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -18,7 +18,6 @@
 #include <linux/random.h>
 #include <linux/major.h>
 #include <linux/proc_fs.h>
-#include <linux/kobject_uevent.h>
 #include <linux/interrupt.h>
 #include <linux/poll.h>
 #include <linux/device.h>
@@ -478,8 +477,8 @@ static int __init input_proc_init(void)
 
 	entry->owner = THIS_MODULE;
 	input_fileops = *entry->proc_fops;
+	input_fileops.poll = input_devices_poll;
 	entry->proc_fops = &input_fileops;
-	entry->proc_fops->poll = input_devices_poll;
 
 	entry = create_proc_read_entry("handlers", 0, proc_bus_input_dir, input_handlers_read, NULL);
 	if (!entry)
@@ -529,14 +528,69 @@ INPUT_DEV_STRING_ATTR_SHOW(name);
 INPUT_DEV_STRING_ATTR_SHOW(phys);
 INPUT_DEV_STRING_ATTR_SHOW(uniq);
 
+static int print_modalias_bits(char *buf, int size, char prefix, unsigned long *arr,
+			       unsigned int min, unsigned int max)
+{
+	int len, i;
+
+	len = snprintf(buf, size, "%c", prefix);
+	for (i = min; i < max; i++)
+		if (arr[LONG(i)] & BIT(i))
+			len += snprintf(buf + len, size - len, "%X,", i);
+	return len;
+}
+
+static int print_modalias(char *buf, int size, struct input_dev *id)
+{
+	int len;
+
+	len = snprintf(buf, size, "input:b%04Xv%04Xp%04Xe%04X-",
+		       id->id.bustype,
+		       id->id.vendor,
+		       id->id.product,
+		       id->id.version);
+
+	len += print_modalias_bits(buf + len, size - len, 'e', id->evbit,
+				   0, EV_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'k', id->keybit,
+				   KEY_MIN_INTERESTING, KEY_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'r', id->relbit,
+				   0, REL_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'a', id->absbit,
+				   0, ABS_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'm', id->mscbit,
+				   0, MSC_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'l', id->ledbit,
+				   0, LED_MAX);
+	len += print_modalias_bits(buf + len, size - len, 's', id->sndbit,
+				   0, SND_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'f', id->ffbit,
+				   0, FF_MAX);
+	len += print_modalias_bits(buf + len, size - len, 'w', id->swbit,
+				   0, SW_MAX);
+	return len;
+}
+
+static ssize_t input_dev_show_modalias(struct class_device *dev, char *buf)
+{
+	struct input_dev *id = to_input_dev(dev);
+	ssize_t len;
+
+	len = print_modalias(buf, PAGE_SIZE, id);
+	len += snprintf(buf + len, PAGE_SIZE-len, "\n");
+	return len;
+}
+static CLASS_DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL);
+
 static struct attribute *input_dev_attrs[] = {
 	&class_device_attr_name.attr,
 	&class_device_attr_phys.attr,
 	&class_device_attr_uniq.attr,
+	&class_device_attr_modalias.attr,
 	NULL
 };
 
-static struct attribute_group input_dev_group = {
+static struct attribute_group input_dev_attr_group = {
 	.attrs	= input_dev_attrs,
 };
 
@@ -611,10 +665,10 @@ static void input_dev_release(struct class_device *class_dev)
 }
 
 /*
- * Input hotplugging interface - loading event handlers based on
+ * Input uevent interface - loading event handlers based on
  * device bitfields.
  */
-static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
+static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
 				    char *buffer, int buffer_size, int *cur_len,
 				    const char *name, unsigned long *bitmap, int max)
 {
@@ -639,7 +693,7 @@ static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
 
 #define INPUT_ADD_HOTPLUG_VAR(fmt, val...)				\
 	do {								\
-		int err = add_hotplug_env_var(envp, num_envp, &i,	\
+		int err = add_uevent_var(envp, num_envp, &i,	\
 					buffer, buffer_size, &len,	\
 					fmt, val);			\
 		if (err)						\
@@ -648,15 +702,15 @@ static int input_add_hotplug_bm_var(char **envp, int num_envp, int *cur_index,
 
 #define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max)				\
 	do {								\
-		int err = input_add_hotplug_bm_var(envp, num_envp, &i,	\
+		int err = input_add_uevent_bm_var(envp, num_envp, &i,	\
 					buffer, buffer_size, &len,	\
 					name, bm, max);			\
 		if (err)						\
 			return err;					\
 	} while (0)
 
-static int input_dev_hotplug(struct class_device *cdev, char **envp,
-			     int num_envp, char *buffer, int buffer_size)
+static int input_dev_uevent(struct class_device *cdev, char **envp,
+			    int num_envp, char *buffer, int buffer_size)
 {
 	struct input_dev *dev = to_input_dev(cdev);
 	int i = 0;
@@ -690,15 +744,18 @@ static int input_dev_hotplug(struct class_device *cdev, char **envp,
 	if (test_bit(EV_SW, dev->evbit))
 		INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
 
-	envp[i] = NULL;
+	envp[i++] = buffer + len;
+	len += snprintf(buffer + len, buffer_size - len, "MODALIAS=");
+	len += print_modalias(buffer + len, buffer_size - len, dev) + 1;
 
+	envp[i] = NULL;
 	return 0;
 }
 
 struct class input_class = {
 	.name			= "input",
 	.release		= input_dev_release,
-	.hotplug		= input_dev_hotplug,
+	.uevent			= input_dev_uevent,
 };
 
 struct input_dev *input_allocate_device(void)
@@ -717,35 +774,14 @@ struct input_dev *input_allocate_device(void)
 	return dev;
 }
 
-static void input_register_classdevice(struct input_dev *dev)
-{
-	static atomic_t input_no = ATOMIC_INIT(0);
-	const char *path;
-
-	__module_get(THIS_MODULE);
-
-	dev->dev = dev->cdev.dev;
-
-	snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
-		 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
-
-	path = kobject_get_path(&dev->cdev.class->subsys.kset.kobj, GFP_KERNEL);
-	printk(KERN_INFO "input: %s as %s/%s\n",
-		dev->name ? dev->name : "Unspecified device",
-		path ? path : "", dev->cdev.class_id);
-	kfree(path);
-
-	class_device_add(&dev->cdev);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_group);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
-}
-
 int input_register_device(struct input_dev *dev)
 {
+	static atomic_t input_no = ATOMIC_INIT(0);
 	struct input_handle *handle;
 	struct input_handler *handler;
 	struct input_device_id *id;
+	const char *path;
+	int error;
 
 	if (!dev->dynalloc) {
 		printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
@@ -773,7 +809,32 @@ int input_register_device(struct input_dev *dev)
 	INIT_LIST_HEAD(&dev->h_list);
 	list_add_tail(&dev->node, &input_dev_list);
 
-	input_register_classdevice(dev);
+	dev->cdev.class = &input_class;
+	snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
+		 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
+
+	error = class_device_add(&dev->cdev);
+	if (error)
+		return error;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
+	if (error)
+		goto fail1;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+	if (error)
+		goto fail2;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+	if (error)
+		goto fail3;
+
+	__module_get(THIS_MODULE);
+
+	path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
+	printk(KERN_INFO "input: %s as %s\n",
+		dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
+	kfree(path);
 
 	list_for_each_entry(handler, &input_handler_list, node)
 		if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
@@ -784,6 +845,11 @@ int input_register_device(struct input_dev *dev)
 	input_wakeup_procfs_readers();
 
 	return 0;
+
+ fail3:	sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ fail2:	sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ fail1:	class_device_del(&dev->cdev);
+	return error;
 }
 
 void input_unregister_device(struct input_dev *dev)
@@ -805,7 +871,7 @@ void input_unregister_device(struct input_dev *dev)
 
 	sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
 	sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
-	sysfs_remove_group(&dev->cdev.kobj, &input_dev_group);
+	sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
 	class_device_unregister(&dev->cdev);
 
 	input_wakeup_procfs_readers();
diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c
index 8558a99f6635..ec55a29fc861 100644
--- a/drivers/input/joystick/amijoy.c
+++ b/drivers/input/joystick/amijoy.c
@@ -64,8 +64,8 @@ static irqreturn_t amijoy_interrupt(int irq, void *dummy, struct pt_regs *fp)
 		if (amijoy[i]) {
 
 			switch (i) {
-				case 0: data = ~custom.joy0dat; button = (~ciaa.pra >> 6) & 1; break;
-				case 1: data = ~custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break;
+				case 0: data = ~amiga_custom.joy0dat; button = (~ciaa.pra >> 6) & 1; break;
+				case 1: data = ~amiga_custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break;
 			}
 
 			input_regs(amijoy_dev[i], fp);
diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c
index 51a912222e85..62438944a69a 100644
--- a/drivers/input/joystick/grip_mp.c
+++ b/drivers/input/joystick/grip_mp.c
@@ -53,17 +53,8 @@ struct grip_port {
 struct grip_mp {
 	struct gameport *gameport;
 	struct grip_port *port[GRIP_MAX_PORTS];
-//	struct input_dev *dev[4];
-//	int mode[4];
-//	int registered[4];
 	int reads;
 	int bads;
-
-	/* individual gamepad states */
-//	int buttons[4];
-//	int xaxes[4];
-//	int yaxes[4];
-//	int dirty[4];     /* has the state been updated? */
 };
 
 /*
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index 64b4a3080985..bc2fce60f9f8 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -235,7 +235,6 @@ static struct usb_device_id iforce_usb_ids [] = {
 MODULE_DEVICE_TABLE (usb, iforce_usb_ids);
 
 struct usb_driver iforce_usb_driver = {
-	.owner =	THIS_MODULE,
 	.name =		"iforce",
 	.probe =	iforce_usb_probe,
 	.disconnect =	iforce_usb_disconnect,
diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c
index 99a642d2a1fe..1849b176cf18 100644
--- a/drivers/input/joystick/warrior.c
+++ b/drivers/input/joystick/warrior.c
@@ -172,7 +172,7 @@ static int warrior_connect(struct serio *serio, struct serio_driver *drv)
 	input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 8);
 	input_set_abs_params(input_dev, ABS_THROTTLE, -112, 112, 0, 0);
 	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
-	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
+	input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0);
 
 	serio_set_drvdata(serio, warrior);
 
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 4a917748fd9f..3b0ac3b43c54 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -143,16 +143,6 @@ config KEYBOARD_SPITZ
 	  To compile this driver as a module, choose M here: the
 	  module will be called spitzkbd.
 
-config KEYBOARD_MAPLE
-	tristate "Maple bus keyboard"
-	depends on SH_DREAMCAST && MAPLE
-	help
-	  Say Y here if you have a DreamCast console running Linux and have
-	  a keyboard attached to its Maple bus.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called maple_keyb.
-
 config KEYBOARD_AMIGA
 	tristate "Amiga keyboard"
 	depends on AMIGA
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index 9ce0b87f2fac..6e0afbb22383 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -5,7 +5,6 @@
 # Each configuration option enables a list of files.
 
 obj-$(CONFIG_KEYBOARD_ATKBD)		+= atkbd.o
-obj-$(CONFIG_KEYBOARD_MAPLE)		+= maple_keyb.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
 obj-$(CONFIG_KEYBOARD_LKKBD)		+= lkkbd.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 820c7fd9a604..ffacf6eca5f5 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -166,6 +166,9 @@ static unsigned char atkbd_unxlate_table[128] = {
 
 #define ATKBD_SPECIAL		248
 
+#define ATKBD_LED_EVENT_BIT	0
+#define ATKBD_REP_EVENT_BIT	1
+
 static struct {
 	unsigned char keycode;
 	unsigned char set2;
@@ -211,6 +214,10 @@ struct atkbd {
 	unsigned char err_xl;
 	unsigned int last;
 	unsigned long time;
+
+	struct work_struct event_work;
+	struct semaphore event_sem;
+	unsigned long event_mask;
 };
 
 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
@@ -314,7 +321,7 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
 	switch (code) {
 		case ATKBD_RET_BAT:
 			atkbd->enabled = 0;
-			serio_rescan(atkbd->ps2dev.serio);
+			serio_reconnect(atkbd->ps2dev.serio);
 			goto out;
 		case ATKBD_RET_EMUL0:
 			atkbd->emul = 1;
@@ -424,58 +431,86 @@ out:
 }
 
 /*
- * Event callback from the input module. Events that change the state of
- * the hardware are processed here.
+ * atkbd_event_work() is used to complete processing of events that
+ * can not be processed by input_event() which is often called from
+ * interrupt context.
  */
 
-static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+static void atkbd_event_work(void *data)
 {
-	struct atkbd *atkbd = dev->private;
 	const short period[32] =
 		{ 33,  37,  42,  46,  50,  54,  58,  63,  67,  75,  83,  92, 100, 109, 116, 125,
 		 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 };
 	const short delay[4] =
 		{ 250, 500, 750, 1000 };
+
+	struct atkbd *atkbd = data;
+	struct input_dev *dev = atkbd->dev;
 	unsigned char param[2];
 	int i, j;
 
+	down(&atkbd->event_sem);
+
+	if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) {
+		param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
+			 | (test_bit(LED_NUML,    dev->led) ? 2 : 0)
+			 | (test_bit(LED_CAPSL,   dev->led) ? 4 : 0);
+		ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
+
+		if (atkbd->extra) {
+			param[0] = 0;
+			param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
+				 | (test_bit(LED_SLEEP,   dev->led) ? 0x02 : 0)
+				 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
+				 | (test_bit(LED_MISC,    dev->led) ? 0x10 : 0)
+				 | (test_bit(LED_MUTE,    dev->led) ? 0x20 : 0);
+			ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
+		}
+	}
+
+	if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) {
+		i = j = 0;
+		while (i < 31 && period[i] < dev->rep[REP_PERIOD])
+			i++;
+		while (j < 3 && delay[j] < dev->rep[REP_DELAY])
+			j++;
+		dev->rep[REP_PERIOD] = period[i];
+		dev->rep[REP_DELAY] = delay[j];
+		param[0] = i | (j << 5);
+		ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+	}
+
+	up(&atkbd->event_sem);
+}
+
+/*
+ * Event callback from the input module. Events that change the state of
+ * the hardware are processed here. If action can not be performed in
+ * interrupt context it is offloaded to atkbd_event_work.
+ */
+
+static int atkbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
+{
+	struct atkbd *atkbd = dev->private;
+
 	if (!atkbd->write)
 		return -1;
 
 	switch (type) {
 
 		case EV_LED:
-
-			param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0)
-			         | (test_bit(LED_NUML,    dev->led) ? 2 : 0)
-			         | (test_bit(LED_CAPSL,   dev->led) ? 4 : 0);
-		        ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS);
-
-			if (atkbd->extra) {
-				param[0] = 0;
-				param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0)
-					 | (test_bit(LED_SLEEP,   dev->led) ? 0x02 : 0)
-					 | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0)
-				         | (test_bit(LED_MISC,    dev->led) ? 0x10 : 0)
-				         | (test_bit(LED_MUTE,    dev->led) ? 0x20 : 0);
-				ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS);
-			}
-
+			set_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask);
+			wmb();
+			schedule_work(&atkbd->event_work);
 			return 0;
 
 		case EV_REP:
 
-			if (atkbd->softrepeat) return 0;
-
-			i = j = 0;
-			while (i < 31 && period[i] < dev->rep[REP_PERIOD])
-				i++;
-			while (j < 3 && delay[j] < dev->rep[REP_DELAY])
-				j++;
-			dev->rep[REP_PERIOD] = period[i];
-			dev->rep[REP_DELAY] = delay[j];
-			param[0] = i | (j << 5);
-			ps2_schedule_command(&atkbd->ps2dev, param, ATKBD_CMD_SETREP);
+			if (!atkbd->softrepeat) {
+				set_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask);
+				wmb();
+				schedule_work(&atkbd->event_work);
+			}
 
 			return 0;
 	}
@@ -810,6 +845,8 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
 
 	atkbd->dev = dev;
 	ps2_init(&atkbd->ps2dev, serio);
+	INIT_WORK(&atkbd->event_work, atkbd_event_work, atkbd);
+	init_MUTEX(&atkbd->event_sem);
 
 	switch (serio->id.type) {
 
diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index 64672d491222..e301ee4ca264 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -19,7 +19,6 @@
 #include <linux/jiffies.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
 
 #include <asm/arch/corgi.h>
 #include <asm/arch/hardware.h>
@@ -343,10 +342,9 @@ static int __init corgikbd_probe(struct platform_device *pdev)
 	for (i = 0; i < CORGI_KEY_SENSE_NUM; i++) {
 		pxa_gpio_mode(CORGI_GPIO_KEY_SENSE(i) | GPIO_IN);
 		if (request_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd_interrupt,
-						SA_INTERRUPT, "corgikbd", corgikbd))
+				SA_INTERRUPT | SA_TRIGGER_RISING,
+				"corgikbd", corgikbd))
 			printk(KERN_WARNING "corgikbd: Can't get IRQ: %d!\n", i);
-		else
-			set_irq_type(CORGI_IRQ_GPIO_KEY_SENSE(i),IRQT_RISING);
 	}
 
 	/* Set Strobe lines as outputs - set high */
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index 6a15fe3bc527..83999d583122 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -19,7 +19,6 @@
 #include <linux/jiffies.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
 
 #include <asm/arch/spitz.h>
 #include <asm/arch/hardware.h>
@@ -407,10 +406,9 @@ static int __init spitzkbd_probe(struct platform_device *dev)
 	for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) {
 		pxa_gpio_mode(spitz_senses[i] | GPIO_IN);
 		if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt,
-						SA_INTERRUPT, "Spitzkbd Sense", spitzkbd))
+				SA_INTERRUPT|SA_TRIGGER_RISING,
+				"Spitzkbd Sense", spitzkbd))
 			printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i);
-		else
-			set_irq_type(IRQ_GPIO(spitz_senses[i]),IRQT_RISING);
 	}
 
 	/* Set Strobe lines as outputs - set high */
@@ -422,15 +420,18 @@ static int __init spitzkbd_probe(struct platform_device *dev)
 	pxa_gpio_mode(SPITZ_GPIO_SWA | GPIO_IN);
 	pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN);
 
-	request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt, SA_INTERRUPT, "Spitzkbd Sync", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt, SA_INTERRUPT, "Spitzkbd PwrOn", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr, SA_INTERRUPT, "Spitzkbd SWA", spitzkbd);
-	request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr, SA_INTERRUPT, "Spitzkbd SWB", spitzkbd);
-
-	set_irq_type(SPITZ_IRQ_GPIO_SYNC, IRQT_BOTHEDGE);
-	set_irq_type(SPITZ_IRQ_GPIO_ON_KEY, IRQT_BOTHEDGE);
-	set_irq_type(SPITZ_IRQ_GPIO_SWA, IRQT_BOTHEDGE);
-	set_irq_type(SPITZ_IRQ_GPIO_SWB, IRQT_BOTHEDGE);
+	request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt,
+		    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+		    "Spitzkbd Sync", spitzkbd);
+	request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt,
+		    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+		    "Spitzkbd PwrOn", spitzkbd);
+	request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr,
+		    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+		    "Spitzkbd SWA", spitzkbd);
+	request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr,
+		    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+		    "Spitzkbd SWB", spitzkbd);
 
 	printk(KERN_INFO "input: Spitz Keyboard Registered\n");
 
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index b3eaac1b35b6..e08dbe08f46d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -26,7 +26,7 @@ config INPUT_PCSPKR
 
 config INPUT_SPARCSPKR
 	tristate "SPARC Speaker support"
-	depends on PCI && (SPARC32 || SPARC64)
+	depends on PCI && SPARC
 	help
 	  Say Y here if you want the standard Speaker on Sparc PCI systems
 	  to be used for bells and whistles.
@@ -40,6 +40,16 @@ config INPUT_M68K_BEEP
 	tristate "M68k Beeper support"
 	depends on M68K
 
+config INPUT_WISTRON_BTNS
+	tristate "x86 Wistron laptop button interface"
+	depends on X86 && !X86_64
+	help
+	  Say Y here for support of Winstron laptop button interface, used on
+	  laptops of various brands, including Acer and Fujitsu-Siemens.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called wistron_btns.
+
 config INPUT_UINPUT
 	tristate "User level driver support"
 	help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index f8d01c69f349..ce44cce01285 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -9,4 +9,5 @@ obj-$(CONFIG_INPUT_PCSPKR)		+= pcspkr.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o
 obj-$(CONFIG_INPUT_98SPKR)		+= 98spkr.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
+obj-$(CONFIG_INPUT_WISTRON_BTNS)	+= wistron_btns.o
 obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index 1cd7657f7e42..1be963961c15 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -60,8 +60,6 @@ static struct fasync_struct *hp_sdc_rtc_async_queue;
 
 static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
 
-static loff_t hp_sdc_rtc_llseek(struct file *file, loff_t offset, int origin);
-
 static ssize_t hp_sdc_rtc_read(struct file *file, char *buf,
 			       size_t count, loff_t *ppos);
 
@@ -387,11 +385,6 @@ static int hp_sdc_rtc_set_i8042timer (struct timeval *setto, uint8_t setcmd)
 	return 0;
 }
 
-static loff_t hp_sdc_rtc_llseek(struct file *file, loff_t offset, int origin)
-{
-        return -ESPIPE;
-}
-
 static ssize_t hp_sdc_rtc_read(struct file *file, char *buf,
 			       size_t count, loff_t *ppos) {
 	ssize_t retval;
@@ -679,7 +672,7 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
 
 static struct file_operations hp_sdc_rtc_fops = {
         .owner =	THIS_MODULE,
-        .llseek =	hp_sdc_rtc_llseek,
+        .llseek =	no_llseek,
         .read =		hp_sdc_rtc_read,
         .poll =		hp_sdc_rtc_poll,
         .ioctl =	hp_sdc_rtc_ioctl,
diff --git a/drivers/input/misc/m68kspkr.c b/drivers/input/misc/m68kspkr.c
index 04489ad7702a..8d6c3837badb 100644
--- a/drivers/input/misc/m68kspkr.c
+++ b/drivers/input/misc/m68kspkr.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/input.h>
+#include <linux/platform_device.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
 
@@ -24,7 +25,7 @@ MODULE_AUTHOR("Richard Zidlicky <rz@linux-m68k.org>");
 MODULE_DESCRIPTION("m68k beeper driver");
 MODULE_LICENSE("GPL");
 
-static struct input_dev *m68kspkr_dev;
+static struct platform_device *m68kspkr_platform_device;
 
 static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
@@ -47,36 +48,103 @@ static int m68kspkr_event(struct input_dev *dev, unsigned int type, unsigned int
 	return 0;
 }
 
+static int __devinit m68kspkr_probe(struct platform_device *dev)
+{
+	struct input_dev *input_dev;
+	int err;
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	input_dev->name = "m68k beeper";
+	input_dev->phys = "m68k/generic";
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->id.vendor  = 0x001f;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &dev->dev;
+
+	input_dev->evbit[0] = BIT(EV_SND);
+	input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+	input_dev->event = m68kspkr_event;
+
+	err = input_register_device(input_dev);
+	if (err) {
+		input_free_device(input_dev);
+		return err;
+	}
+
+	platform_set_drvdata(dev, input_dev);
+
+	return 0;
+}
+
+static int __devexit m68kspkr_remove(struct platform_device *dev)
+{
+	struct input_dev *input_dev = platform_get_drvdata(dev);
+
+	input_unregister_device(input_dev);
+	platform_set_drvdata(dev, NULL);
+	/* turn off the speaker */
+	m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+
+	return 0;
+}
+
+static void m68kspkr_shutdown(struct platform_device *dev)
+{
+	/* turn off the speaker */
+	m68kspkr_event(NULL, EV_SND, SND_BELL, 0);
+}
+
+static struct platform_driver m68kspkr_platform_driver = {
+	.driver		= {
+		.name	= "m68kspkr",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= m68kspkr_probe,
+	.remove		= __devexit_p(m68kspkr_remove),
+	.shutdown	= m68kspkr_shutdown,
+};
+
 static int __init m68kspkr_init(void)
 {
-        if (!mach_beep) {
+	int err;
+
+	if (!mach_beep) {
 		printk(KERN_INFO "m68kspkr: no lowlevel beep support\n");
 		return -ENODEV;
         }
 
-	m68kspkr_dev = input_allocate_device();
-	if (!m68kspkr_dev)
-		return -ENOMEM;
-
-	m68kspkr_dev->name = "m68k beeper";
-	m68kspkr_dev->phys = "m68k/generic";
-	m68kspkr_dev->id.bustype = BUS_HOST;
-	m68kspkr_dev->id.vendor = 0x001f;
-	m68kspkr_dev->id.product = 0x0001;
-	m68kspkr_dev->id.version = 0x0100;
+	err = platform_driver_register(&m68kspkr_platform_driver);
+	if (err)
+		return err;
 
-	m68kspkr_dev->evbit[0] = BIT(EV_SND);
-	m68kspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
-	m68kspkr_dev->event = m68kspkr_event;
+	m68kspkr_platform_device = platform_device_alloc("m68kspkr", -1);
+	if (!m68kspkr_platform_device) {
+		err = -ENOMEM;
+		goto err_unregister_driver;
+	}
 
-	input_register_device(m68kspkr_dev);
+	err = platform_device_add(m68kspkr_platform_device);
+	if (err)
+		goto err_free_device;
 
 	return 0;
+
+ err_free_device:
+	platform_device_put(m68kspkr_platform_device);
+ err_unregister_driver:
+	platform_driver_unregister(&m68kspkr_platform_driver);
+
+	return err;
 }
 
 static void __exit m68kspkr_exit(void)
 {
-        input_unregister_device(m68kspkr_dev);
+	platform_device_unregister(m68kspkr_platform_device);
+	platform_driver_unregister(&m68kspkr_platform_driver);
 }
 
 module_init(m68kspkr_init);
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index 68ac97f101b0..1ef477f4469c 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/input.h>
+#include <linux/platform_device.h>
 #include <asm/8253pit.h>
 #include <asm/io.h>
 
@@ -23,8 +24,7 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("PC Speaker beeper driver");
 MODULE_LICENSE("GPL");
 
-static struct input_dev *pcspkr_dev;
-
+static struct platform_device *pcspkr_platform_device;
 static DEFINE_SPINLOCK(i8253_beep_lock);
 
 static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
@@ -64,8 +64,11 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
 	return 0;
 }
 
-static int __init pcspkr_init(void)
+static int __devinit pcspkr_probe(struct platform_device *dev)
 {
+	struct input_dev *pcspkr_dev;
+	int err;
+
 	pcspkr_dev = input_allocate_device();
 	if (!pcspkr_dev)
 		return -ENOMEM;
@@ -76,22 +79,93 @@ static int __init pcspkr_init(void)
 	pcspkr_dev->id.vendor = 0x001f;
 	pcspkr_dev->id.product = 0x0001;
 	pcspkr_dev->id.version = 0x0100;
+	pcspkr_dev->cdev.dev = &dev->dev;
 
 	pcspkr_dev->evbit[0] = BIT(EV_SND);
 	pcspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
 	pcspkr_dev->event = pcspkr_event;
 
-	input_register_device(pcspkr_dev);
+	err = input_register_device(pcspkr_dev);
+	if (err) {
+		input_free_device(pcspkr_dev);
+		return err;
+	}
+
+	platform_set_drvdata(dev, pcspkr_dev);
 
 	return 0;
 }
 
-static void __exit pcspkr_exit(void)
+static int __devexit pcspkr_remove(struct platform_device *dev)
+{
+	struct input_dev *pcspkr_dev = platform_get_drvdata(dev);
+
+	input_unregister_device(pcspkr_dev);
+	platform_set_drvdata(dev, NULL);
+	/* turn off the speaker */
+	pcspkr_event(NULL, EV_SND, SND_BELL, 0);
+
+	return 0;
+}
+
+static int pcspkr_suspend(struct platform_device *dev, pm_message_t state)
+{
+	pcspkr_event(NULL, EV_SND, SND_BELL, 0);
+
+	return 0;
+}
+
+static void pcspkr_shutdown(struct platform_device *dev)
 {
-        input_unregister_device(pcspkr_dev);
 	/* turn off the speaker */
 	pcspkr_event(NULL, EV_SND, SND_BELL, 0);
 }
 
+static struct platform_driver pcspkr_platform_driver = {
+	.driver		= {
+		.name	= "pcspkr",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pcspkr_probe,
+	.remove		= __devexit_p(pcspkr_remove),
+	.suspend	= pcspkr_suspend,
+	.shutdown	= pcspkr_shutdown,
+};
+
+
+static int __init pcspkr_init(void)
+{
+	int err;
+
+	err = platform_driver_register(&pcspkr_platform_driver);
+	if (err)
+		return err;
+
+	pcspkr_platform_device = platform_device_alloc("pcspkr", -1);
+	if (!pcspkr_platform_device) {
+		err = -ENOMEM;
+		goto err_unregister_driver;
+	}
+
+	err = platform_device_add(pcspkr_platform_device);
+	if (err)
+		goto err_free_device;
+
+	return 0;
+
+ err_free_device:
+	platform_device_put(pcspkr_platform_device);
+ err_unregister_driver:
+	platform_driver_unregister(&pcspkr_platform_driver);
+
+	return err;
+}
+
+static void __exit pcspkr_exit(void)
+{
+	platform_device_unregister(pcspkr_platform_device);
+	platform_driver_unregister(&pcspkr_platform_driver);
+}
+
 module_init(pcspkr_init);
 module_exit(pcspkr_exit);
diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c
index 29d97b12be7a..f0fd2c4740f1 100644
--- a/drivers/input/misc/sparcspkr.c
+++ b/drivers/input/misc/sparcspkr.c
@@ -9,6 +9,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/input.h>
+#include <linux/platform_device.h>
 
 #include <asm/io.h>
 #include <asm/ebus.h>
@@ -20,22 +21,10 @@ MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
 MODULE_DESCRIPTION("Sparc Speaker beeper driver");
 MODULE_LICENSE("GPL");
 
+const char *beep_name;
 static unsigned long beep_iobase;
-static struct input_dev *sparcspkr_dev;
-
-DEFINE_SPINLOCK(beep_lock);
-
-static void __init init_sparcspkr_struct(void)
-{
-	sparcspkr_dev->evbit[0] = BIT(EV_SND);
-	sparcspkr_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
-
-	sparcspkr_dev->phys = "sparc/input0";
-	sparcspkr_dev->id.bustype = BUS_ISA;
-	sparcspkr_dev->id.vendor = 0x001f;
-	sparcspkr_dev->id.product = 0x0001;
-	sparcspkr_dev->id.version = 0x0100;
-}
+static int (*beep_event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
+static DEFINE_SPINLOCK(beep_lock);
 
 static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
@@ -59,39 +48,16 @@ static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned in
 	/* EBUS speaker only has on/off state, the frequency does not
 	 * appear to be programmable.
 	 */
-	if (count) {
-		if (beep_iobase & 0x2UL)
-			outb(1, beep_iobase);
-		else
-			outl(1, beep_iobase);
-	} else {
-		if (beep_iobase & 0x2UL)
-			outb(0, beep_iobase);
-		else
-			outl(0, beep_iobase);
-	}
+	if (beep_iobase & 0x2UL)
+		outb(!!count, beep_iobase);
+	else
+		outl(!!count, beep_iobase);
 
 	spin_unlock_irqrestore(&beep_lock, flags);
 
 	return 0;
 }
 
-static int __init init_ebus_beep(struct linux_ebus_device *edev)
-{
-	beep_iobase = edev->resource[0].start;
-
-	sparcspkr_dev = input_allocate_device();
-	if (!sparcspkr_dev)
-		return -ENOMEM;
-
-	sparcspkr_dev->name = "Sparc EBUS Speaker";
-	sparcspkr_dev->event = ebus_spkr_event;
-
-	input_register_device(sparcspkr_dev);
-
-	return 0;
-}
-
 #ifdef CONFIG_SPARC64
 static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
@@ -129,30 +95,103 @@ static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int
 
 	return 0;
 }
+#endif
 
-static int __init init_isa_beep(struct sparc_isa_device *isa_dev)
+static int __devinit sparcspkr_probe(struct platform_device *dev)
 {
-	beep_iobase = isa_dev->resource.start;
+	struct input_dev *input_dev;
+	int error;
 
-	sparcspkr_dev = input_allocate_device();
-	if (!sparcspkr_dev)
+	input_dev = input_allocate_device();
+	if (!input_dev)
 		return -ENOMEM;
 
-	init_sparcspkr_struct();
+	input_dev->name = beep_name;
+	input_dev->phys = "sparc/input0";
+	input_dev->id.bustype = BUS_ISA;
+	input_dev->id.vendor = 0x001f;
+	input_dev->id.product = 0x0001;
+	input_dev->id.version = 0x0100;
+	input_dev->cdev.dev = &dev->dev;
 
-	sparcspkr_dev->name = "Sparc ISA Speaker";
-	sparcspkr_dev->event = isa_spkr_event;
+	input_dev->evbit[0] = BIT(EV_SND);
+	input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
 
-	input_register_device(sparcspkr_dev);
+	input_dev->event = beep_event;
+
+	error = input_register_device(input_dev);
+	if (error) {
+		input_free_device(input_dev);
+		return error;
+	}
+
+	platform_set_drvdata(dev, input_dev);
 
 	return 0;
 }
-#endif
+
+static int __devexit sparcspkr_remove(struct platform_device *dev)
+{
+	struct input_dev *input_dev = platform_get_drvdata(dev);
+
+	input_unregister_device(input_dev);
+	platform_set_drvdata(dev, NULL);
+	/* turn off the speaker */
+	beep_event(NULL, EV_SND, SND_BELL, 0);
+
+	return 0;
+}
+
+static void sparcspkr_shutdown(struct platform_device *dev)
+{
+	/* turn off the speaker */
+	beep_event(NULL, EV_SND, SND_BELL, 0);
+}
+
+static struct platform_driver sparcspkr_platform_driver = {
+	.driver		= {
+		.name	= "sparcspkr",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= sparcspkr_probe,
+	.remove		= __devexit_p(sparcspkr_remove),
+	.shutdown	= sparcspkr_shutdown,
+};
+
+static struct platform_device *sparcspkr_platform_device;
+
+static int __init sparcspkr_drv_init(void)
+{
+	int error;
+
+	error = platform_driver_register(&sparcspkr_platform_driver);
+	if (error)
+		return error;
+
+	sparcspkr_platform_device = platform_device_alloc("sparcspkr", -1);
+	if (!sparcspkr_platform_device) {
+		error = -ENOMEM;
+		goto err_unregister_driver;
+	}
+
+	error = platform_device_add(sparcspkr_platform_device);
+	if (error)
+		goto err_free_device;
+
+	return 0;
+
+ err_free_device:
+	platform_device_put(sparcspkr_platform_device);
+ err_unregister_driver:
+	platform_driver_unregister(&sparcspkr_platform_driver);
+
+	return error;
+}
 
 static int __init sparcspkr_init(void)
 {
 	struct linux_ebus *ebus;
-	struct linux_ebus_device *edev = NULL;
+	struct linux_ebus_device *edev;
 #ifdef CONFIG_SPARC64
 	struct sparc_isa_bridge *isa_br;
 	struct sparc_isa_device *isa_dev;
@@ -160,8 +199,12 @@ static int __init sparcspkr_init(void)
 
 	for_each_ebus(ebus) {
 		for_each_ebusdev(edev, ebus) {
-			if (!strcmp(edev->prom_name, "beep"))
-				return init_ebus_beep(edev);
+			if (!strcmp(edev->prom_name, "beep")) {
+				beep_name = "Sparc EBUS Speaker";
+				beep_event = ebus_spkr_event;
+				beep_iobase = edev->resource[0].start;
+				return sparcspkr_drv_init();
+			}
 		}
 	}
 #ifdef CONFIG_SPARC64
@@ -170,8 +213,12 @@ static int __init sparcspkr_init(void)
 			/* A hack, the beep device's base lives in
 			 * the DMA isa node.
 			 */
-			if (!strcmp(isa_dev->prom_name, "dma"))
-				return init_isa_beep(isa_dev);
+			if (!strcmp(isa_dev->prom_name, "dma")) {
+				beep_name = "Sparc ISA Speaker";
+				beep_event = isa_spkr_event,
+				beep_iobase = isa_dev->resource.start;
+				return sparcspkr_drv_init();
+			}
 		}
 	}
 #endif
@@ -181,7 +228,8 @@ static int __init sparcspkr_init(void)
 
 static void __exit sparcspkr_exit(void)
 {
-	input_unregister_device(sparcspkr_dev);
+	platform_device_unregister(sparcspkr_platform_device);
+	platform_driver_unregister(&sparcspkr_platform_driver);
 }
 
 module_init(sparcspkr_init);
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 948c1cc01bc9..546ed9b4901d 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -92,24 +92,19 @@ static void uinput_request_done(struct uinput_device *udev, struct uinput_reques
 {
 	/* Mark slot as available */
 	udev->requests[request->id] = NULL;
-	wake_up_interruptible(&udev->requests_waitq);
+	wake_up(&udev->requests_waitq);
 
 	complete(&request->done);
 }
 
 static int uinput_request_submit(struct input_dev *dev, struct uinput_request *request)
 {
-	int retval;
-
 	/* Tell our userspace app about this new request by queueing an input event */
 	uinput_dev_event(dev, EV_UINPUT, request->code, request->id);
 
 	/* Wait for the request to complete */
-	retval = wait_for_completion_interruptible(&request->done);
-	if (!retval)
-		retval = request->retval;
-
-	return retval;
+	wait_for_completion(&request->done);
+	return request->retval;
 }
 
 static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *effect)
@@ -152,67 +147,62 @@ static int uinput_dev_erase_effect(struct input_dev *dev, int effect_id)
 	return retval;
 }
 
-static int uinput_create_device(struct uinput_device *udev)
+static void uinput_destroy_device(struct uinput_device *udev)
 {
-	if (!udev->dev->name) {
-		printk(KERN_DEBUG "%s: write device info first\n", UINPUT_NAME);
-		return -EINVAL;
+	const char *name, *phys;
+
+	if (udev->dev) {
+		name = udev->dev->name;
+		phys = udev->dev->phys;
+		if (udev->state == UIST_CREATED)
+			input_unregister_device(udev->dev);
+		else
+			input_free_device(udev->dev);
+		kfree(name);
+		kfree(phys);
+		udev->dev = NULL;
 	}
 
-	udev->dev->event = uinput_dev_event;
-	udev->dev->upload_effect = uinput_dev_upload_effect;
-	udev->dev->erase_effect = uinput_dev_erase_effect;
-	udev->dev->private = udev;
-
-	init_waitqueue_head(&udev->waitq);
-
-	input_register_device(udev->dev);
-
-	set_bit(UIST_CREATED, &udev->state);
-
-	return 0;
+	udev->state = UIST_NEW_DEVICE;
 }
 
-static int uinput_destroy_device(struct uinput_device *udev)
+static int uinput_create_device(struct uinput_device *udev)
 {
-	if (!test_bit(UIST_CREATED, &udev->state)) {
-		printk(KERN_WARNING "%s: create the device first\n", UINPUT_NAME);
+	int error;
+
+	if (udev->state != UIST_SETUP_COMPLETE) {
+		printk(KERN_DEBUG "%s: write device info first\n", UINPUT_NAME);
 		return -EINVAL;
 	}
 
-	input_unregister_device(udev->dev);
+	error = input_register_device(udev->dev);
+	if (error) {
+		uinput_destroy_device(udev);
+		return error;
+	}
 
-	clear_bit(UIST_CREATED, &udev->state);
+	udev->state = UIST_CREATED;
 
 	return 0;
 }
 
 static int uinput_open(struct inode *inode, struct file *file)
 {
-	struct uinput_device	*newdev;
-	struct input_dev	*newinput;
+	struct uinput_device *newdev;
 
-	newdev = kmalloc(sizeof(struct uinput_device), GFP_KERNEL);
+	newdev = kzalloc(sizeof(struct uinput_device), GFP_KERNEL);
 	if (!newdev)
-		goto error;
-	memset(newdev, 0, sizeof(struct uinput_device));
+		return -ENOMEM;
+
+	init_MUTEX(&newdev->sem);
 	spin_lock_init(&newdev->requests_lock);
 	init_waitqueue_head(&newdev->requests_waitq);
-
-	newinput = kmalloc(sizeof(struct input_dev), GFP_KERNEL);
-	if (!newinput)
-		goto cleanup;
-	memset(newinput, 0, sizeof(struct input_dev));
-
-	newdev->dev = newinput;
+	init_waitqueue_head(&newdev->waitq);
+	newdev->state = UIST_NEW_DEVICE;
 
 	file->private_data = newdev;
 
 	return 0;
-cleanup:
-	kfree(newdev);
-error:
-	return -ENOMEM;
 }
 
 static int uinput_validate_absbits(struct input_dev *dev)
@@ -246,34 +236,55 @@ static int uinput_validate_absbits(struct input_dev *dev)
 	return retval;
 }
 
-static int uinput_alloc_device(struct file *file, const char __user *buffer, size_t count)
+static int uinput_allocate_device(struct uinput_device *udev)
+{
+	udev->dev = input_allocate_device();
+	if (!udev->dev)
+		return -ENOMEM;
+
+	udev->dev->event = uinput_dev_event;
+	udev->dev->upload_effect = uinput_dev_upload_effect;
+	udev->dev->erase_effect = uinput_dev_erase_effect;
+	udev->dev->private = udev;
+
+	return 0;
+}
+
+static int uinput_setup_device(struct uinput_device *udev, const char __user *buffer, size_t count)
 {
 	struct uinput_user_dev	*user_dev;
 	struct input_dev	*dev;
-	struct uinput_device	*udev;
 	char			*name;
 	int			size;
 	int			retval;
 
-	retval = count;
+	if (count != sizeof(struct uinput_user_dev))
+		return -EINVAL;
+
+	if (!udev->dev) {
+		retval = uinput_allocate_device(udev);
+		if (retval)
+			return retval;
+	}
 
-	udev = file->private_data;
 	dev = udev->dev;
 
 	user_dev = kmalloc(sizeof(struct uinput_user_dev), GFP_KERNEL);
-	if (!user_dev) {
-		retval = -ENOMEM;
-		goto exit;
-	}
+	if (!user_dev)
+		return -ENOMEM;
 
 	if (copy_from_user(user_dev, buffer, sizeof(struct uinput_user_dev))) {
 		retval = -EFAULT;
 		goto exit;
 	}
 
-	kfree(dev->name);
-
 	size = strnlen(user_dev->name, UINPUT_MAX_NAME_SIZE) + 1;
+	if (!size) {
+		retval = -EINVAL;
+		goto exit;
+	}
+
+	kfree(dev->name);
 	dev->name = name = kmalloc(size, GFP_KERNEL);
 	if (!name) {
 		retval = -ENOMEM;
@@ -296,32 +307,50 @@ static int uinput_alloc_device(struct file *file, const char __user *buffer, siz
 	/* check if absmin/absmax/absfuzz/absflat are filled as
 	 * told in Documentation/input/input-programming.txt */
 	if (test_bit(EV_ABS, dev->evbit)) {
-		int err = uinput_validate_absbits(dev);
-		if (err < 0) {
-			retval = err;
-			kfree(dev->name);
-		}
+		retval = uinput_validate_absbits(dev);
+		if (retval < 0)
+			goto exit;
 	}
 
-exit:
+	udev->state = UIST_SETUP_COMPLETE;
+	retval = count;
+
+ exit:
 	kfree(user_dev);
 	return retval;
 }
 
+static inline ssize_t uinput_inject_event(struct uinput_device *udev, const char __user *buffer, size_t count)
+{
+	struct input_event ev;
+
+	if (count != sizeof(struct input_event))
+		return -EINVAL;
+
+	if (copy_from_user(&ev, buffer, sizeof(struct input_event)))
+		return -EFAULT;
+
+	input_event(udev->dev, ev.type, ev.code, ev.value);
+
+	return sizeof(struct input_event);
+}
+
 static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
 {
 	struct uinput_device *udev = file->private_data;
+	int retval;
+
+	retval = down_interruptible(&udev->sem);
+	if (retval)
+		return retval;
 
-	if (test_bit(UIST_CREATED, &udev->state)) {
-		struct input_event	ev;
+	retval = udev->state == UIST_CREATED ?
+			uinput_inject_event(udev, buffer, count) :
+			uinput_setup_device(udev, buffer, count);
 
-		if (copy_from_user(&ev, buffer, sizeof(struct input_event)))
-			return -EFAULT;
-		input_event(udev->dev, ev.type, ev.code, ev.value);
-	} else
-		count = uinput_alloc_device(file, buffer, count);
+	up(&udev->sem);
 
-	return count;
+	return retval;
 }
 
 static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
@@ -329,28 +358,38 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count,
 	struct uinput_device *udev = file->private_data;
 	int retval = 0;
 
-	if (!test_bit(UIST_CREATED, &udev->state))
+	if (udev->state != UIST_CREATED)
 		return -ENODEV;
 
 	if (udev->head == udev->tail && (file->f_flags & O_NONBLOCK))
 		return -EAGAIN;
 
 	retval = wait_event_interruptible(udev->waitq,
-			udev->head != udev->tail || !test_bit(UIST_CREATED, &udev->state));
+			udev->head != udev->tail || udev->state != UIST_CREATED);
 	if (retval)
 		return retval;
 
-	if (!test_bit(UIST_CREATED, &udev->state))
-		return -ENODEV;
+	retval = down_interruptible(&udev->sem);
+	if (retval)
+		return retval;
 
-	while ((udev->head != udev->tail) &&
-	    (retval + sizeof(struct input_event) <= count)) {
-		if (copy_to_user(buffer + retval, &udev->buff[udev->tail], sizeof(struct input_event)))
-			return -EFAULT;
+	if (udev->state != UIST_CREATED) {
+		retval = -ENODEV;
+		goto out;
+	}
+
+	while (udev->head != udev->tail && retval + sizeof(struct input_event) <= count) {
+		if (copy_to_user(buffer + retval, &udev->buff[udev->tail], sizeof(struct input_event))) {
+			retval = -EFAULT;
+			goto out;
+		}
 		udev->tail = (udev->tail + 1) % UINPUT_BUFFER_SIZE;
 		retval += sizeof(struct input_event);
 	}
 
+ out:
+	up(&udev->sem);
+
 	return retval;
 }
 
@@ -366,28 +405,30 @@ static unsigned int uinput_poll(struct file *file, poll_table *wait)
 	return 0;
 }
 
-static int uinput_burn_device(struct uinput_device *udev)
+static int uinput_release(struct inode *inode, struct file *file)
 {
-	if (test_bit(UIST_CREATED, &udev->state))
-		uinput_destroy_device(udev);
+	struct uinput_device *udev = file->private_data;
 
-	kfree(udev->dev->name);
-	kfree(udev->dev->phys);
-	kfree(udev->dev);
+	uinput_destroy_device(udev);
 	kfree(udev);
 
 	return 0;
 }
 
-static int uinput_close(struct inode *inode, struct file *file)
+#define uinput_set_bit(_arg, _bit, _max)		\
+({							\
+	int __ret = 0;					\
+	if (udev->state == UIST_CREATED)		\
+		__ret =  -EINVAL;			\
+	else if ((_arg) > (_max))			\
+		__ret = -EINVAL;			\
+	else set_bit((_arg), udev->dev->_bit);		\
+	__ret;						\
+})
+
+static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	uinput_burn_device(file->private_data);
-	return 0;
-}
-
-static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-{
-	int			retval = 0;
+	int			retval;
 	struct uinput_device	*udev;
 	void __user             *p = (void __user *)arg;
 	struct uinput_ff_upload ff_up;
@@ -398,19 +439,14 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
 
 	udev = file->private_data;
 
-	/* device attributes can not be changed after the device is created */
-	switch (cmd) {
-		case UI_SET_EVBIT:
-		case UI_SET_KEYBIT:
-		case UI_SET_RELBIT:
-		case UI_SET_ABSBIT:
-		case UI_SET_MSCBIT:
-		case UI_SET_LEDBIT:
-		case UI_SET_SNDBIT:
-		case UI_SET_FFBIT:
-		case UI_SET_PHYS:
-			if (test_bit(UIST_CREATED, &udev->state))
-				return -EINVAL;
+	retval = down_interruptible(&udev->sem);
+	if (retval)
+		return retval;
+
+	if (!udev->dev) {
+		retval = uinput_allocate_device(udev);
+		if (retval)
+			goto out;
 	}
 
 	switch (cmd) {
@@ -419,74 +455,50 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
 			break;
 
 		case UI_DEV_DESTROY:
-			retval = uinput_destroy_device(udev);
+			uinput_destroy_device(udev);
 			break;
 
 		case UI_SET_EVBIT:
-			if (arg > EV_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->evbit);
+			retval = uinput_set_bit(arg, evbit, EV_MAX);
 			break;
 
 		case UI_SET_KEYBIT:
-			if (arg > KEY_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->keybit);
+			retval = uinput_set_bit(arg, keybit, KEY_MAX);
 			break;
 
 		case UI_SET_RELBIT:
-			if (arg > REL_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->relbit);
+			retval = uinput_set_bit(arg, relbit, REL_MAX);
 			break;
 
 		case UI_SET_ABSBIT:
-			if (arg > ABS_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->absbit);
+			retval = uinput_set_bit(arg, absbit, ABS_MAX);
 			break;
 
 		case UI_SET_MSCBIT:
-			if (arg > MSC_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->mscbit);
+			retval = uinput_set_bit(arg, mscbit, MSC_MAX);
 			break;
 
 		case UI_SET_LEDBIT:
-			if (arg > LED_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->ledbit);
+			retval = uinput_set_bit(arg, ledbit, LED_MAX);
 			break;
 
 		case UI_SET_SNDBIT:
-			if (arg > SND_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->sndbit);
+			retval = uinput_set_bit(arg, sndbit, SND_MAX);
 			break;
 
 		case UI_SET_FFBIT:
-			if (arg > FF_MAX) {
-				retval = -EINVAL;
-				break;
-			}
-			set_bit(arg, udev->dev->ffbit);
+			retval = uinput_set_bit(arg, ffbit, FF_MAX);
+			break;
+
+		case UI_SET_SWBIT:
+			retval = uinput_set_bit(arg, swbit, SW_MAX);
 			break;
 
 		case UI_SET_PHYS:
+			if (udev->state == UIST_CREATED) {
+				retval = -EINVAL;
+				goto out;
+			}
 			length = strnlen_user(p, 1024);
 			if (length <= 0) {
 				retval = -EFAULT;
@@ -575,23 +587,26 @@ static int uinput_ioctl(struct inode *inode, struct file *file, unsigned int cmd
 		default:
 			retval = -EINVAL;
 	}
+
+ out:
+	up(&udev->sem);
 	return retval;
 }
 
 static struct file_operations uinput_fops = {
-	.owner =	THIS_MODULE,
-	.open =		uinput_open,
-	.release =	uinput_close,
-	.read =		uinput_read,
-	.write =	uinput_write,
-	.poll =		uinput_poll,
-	.ioctl =	uinput_ioctl,
+	.owner		= THIS_MODULE,
+	.open		= uinput_open,
+	.release	= uinput_release,
+	.read		= uinput_read,
+	.write		= uinput_write,
+	.poll		= uinput_poll,
+	.unlocked_ioctl	= uinput_ioctl,
 };
 
 static struct miscdevice uinput_misc = {
-	.fops =		&uinput_fops,
-	.minor =	UINPUT_MINOR,
-	.name =		UINPUT_NAME,
+	.fops		= &uinput_fops,
+	.minor		= UINPUT_MINOR,
+	.name		= UINPUT_NAME,
 };
 
 static int __init uinput_init(void)
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
new file mode 100644
index 000000000000..4b415d9b0123
--- /dev/null
+++ b/drivers/input/misc/wistron_btns.c
@@ -0,0 +1,602 @@
+/*
+ * Wistron laptop button driver
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
+ * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
+ *
+ * You can redistribute and/or modify this program under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <asm/io.h>
+#include <linux/dmi.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/module.h>
+#include <linux/preempt.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+
+/*
+ * Number of attempts to read data from queue per poll;
+ * the queue can hold up to 31 entries
+ */
+#define MAX_POLL_ITERATIONS 64
+
+#define POLL_FREQUENCY 10 /* Number of polls per second */
+
+#if POLL_FREQUENCY > HZ
+#error "POLL_FREQUENCY too high"
+#endif
+
+/* BIOS subsystem IDs */
+#define WIFI		0x35
+#define BLUETOOTH	0x34
+
+MODULE_AUTHOR("Miloslav Trmac <mitr@volny.cz>");
+MODULE_DESCRIPTION("Wistron laptop button driver");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION("0.1");
+
+static int force; /* = 0; */
+module_param(force, bool, 0);
+MODULE_PARM_DESC(force, "Load even if computer is not in database");
+
+static char *keymap_name; /* = NULL; */
+module_param_named(keymap, keymap_name, charp, 0);
+MODULE_PARM_DESC(keymap, "Keymap name, if it can't be autodetected");
+
+static struct platform_device *wistron_device;
+
+ /* BIOS interface implementation */
+
+static void __iomem *bios_entry_point; /* BIOS routine entry point */
+static void __iomem *bios_code_map_base;
+static void __iomem *bios_data_map_base;
+
+static u8 cmos_address;
+
+struct regs {
+	u32 eax, ebx, ecx;
+};
+
+static void call_bios(struct regs *regs)
+{
+	unsigned long flags;
+
+	preempt_disable();
+	local_irq_save(flags);
+	asm volatile ("pushl %%ebp;"
+		      "movl %7, %%ebp;"
+		      "call *%6;"
+		      "popl %%ebp"
+		      : "=a" (regs->eax), "=b" (regs->ebx), "=c" (regs->ecx)
+		      : "0" (regs->eax), "1" (regs->ebx), "2" (regs->ecx),
+			"m" (bios_entry_point), "m" (bios_data_map_base)
+		      : "edx", "edi", "esi", "memory");
+	local_irq_restore(flags);
+	preempt_enable();
+}
+
+static ssize_t __init locate_wistron_bios(void __iomem *base)
+{
+	static const unsigned char __initdata signature[] =
+		{ 0x42, 0x21, 0x55, 0x30 };
+	ssize_t offset;
+
+	for (offset = 0; offset < 0x10000; offset += 0x10) {
+		if (check_signature(base + offset, signature,
+				    sizeof(signature)) != 0)
+			return offset;
+	}
+	return -1;
+}
+
+static int __init map_bios(void)
+{
+	void __iomem *base;
+	ssize_t offset;
+	u32 entry_point;
+
+	base = ioremap(0xF0000, 0x10000); /* Can't fail */
+	offset = locate_wistron_bios(base);
+	if (offset < 0) {
+		printk(KERN_ERR "wistron_btns: BIOS entry point not found\n");
+		iounmap(base);
+		return -ENODEV;
+	}
+
+	entry_point = readl(base + offset + 5);
+	printk(KERN_DEBUG
+		"wistron_btns: BIOS signature found at %p, entry point %08X\n",
+		base + offset, entry_point);
+
+	if (entry_point >= 0xF0000) {
+		bios_code_map_base = base;
+		bios_entry_point = bios_code_map_base + (entry_point & 0xFFFF);
+	} else {
+		iounmap(base);
+		bios_code_map_base = ioremap(entry_point & ~0x3FFF, 0x4000);
+		if (bios_code_map_base == NULL) {
+			printk(KERN_ERR
+				"wistron_btns: Can't map BIOS code at %08X\n",
+				entry_point & ~0x3FFF);
+			goto err;
+		}
+		bios_entry_point = bios_code_map_base + (entry_point & 0x3FFF);
+	}
+	/* The Windows driver maps 0x10000 bytes, we keep only one page... */
+	bios_data_map_base = ioremap(0x400, 0xc00);
+	if (bios_data_map_base == NULL) {
+		printk(KERN_ERR "wistron_btns: Can't map BIOS data\n");
+		goto err_code;
+	}
+	return 0;
+
+err_code:
+	iounmap(bios_code_map_base);
+err:
+	return -ENOMEM;
+}
+
+static inline void unmap_bios(void)
+{
+	iounmap(bios_code_map_base);
+	iounmap(bios_data_map_base);
+}
+
+ /* BIOS calls */
+
+static u16 bios_pop_queue(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x061C;
+	regs.ecx = 0x0000;
+	call_bios(&regs);
+
+	return regs.eax;
+}
+
+static void __devinit bios_attach(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x012E;
+	call_bios(&regs);
+}
+
+static void bios_detach(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x002E;
+	call_bios(&regs);
+}
+
+static u8 __devinit bios_get_cmos_address(void)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x051C;
+	call_bios(&regs);
+
+	return regs.ecx;
+}
+
+static u16 __devinit bios_get_default_setting(u8 subsys)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = 0x0200 | subsys;
+	call_bios(&regs);
+
+	return regs.eax;
+}
+
+static void bios_set_state(u8 subsys, int enable)
+{
+	struct regs regs;
+
+	memset(&regs, 0, sizeof (regs));
+	regs.eax = 0x9610;
+	regs.ebx = (enable ? 0x0100 : 0x0000) | subsys;
+	call_bios(&regs);
+}
+
+/* Hardware database */
+
+struct key_entry {
+	char type;		/* See KE_* below */
+	u8 code;
+	unsigned keycode;	/* For KE_KEY */
+};
+
+enum { KE_END, KE_KEY, KE_WIFI, KE_BLUETOOTH };
+
+static const struct key_entry *keymap; /* = NULL; Current key map */
+static int have_wifi;
+static int have_bluetooth;
+
+static int __init dmi_matched(struct dmi_system_id *dmi)
+{
+	const struct key_entry *key;
+
+	keymap = dmi->driver_data;
+	for (key = keymap; key->type != KE_END; key++) {
+		if (key->type == KE_WIFI) {
+			have_wifi = 1;
+			break;
+		} else if (key->type == KE_BLUETOOTH) {
+			have_bluetooth = 1;
+			break;
+		}
+	}
+	return 1;
+}
+
+static struct key_entry keymap_empty[] = {
+	{ KE_END, 0 }
+};
+
+static struct key_entry keymap_fs_amilo_pro_v2000[] = {
+	{ KE_KEY,  0x01, KEY_HELP },
+	{ KE_KEY,  0x11, KEY_PROG1 },
+	{ KE_KEY,  0x12, KEY_PROG2 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_KEY,  0x31, KEY_MAIL },
+	{ KE_KEY,  0x36, KEY_WWW },
+	{ KE_END,  0 }
+};
+
+static struct key_entry keymap_wistron_ms2141[] = {
+	{ KE_KEY,  0x11, KEY_PROG1 },
+	{ KE_KEY,  0x12, KEY_PROG2 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_KEY,  0x22, KEY_REWIND },
+	{ KE_KEY,  0x23, KEY_FORWARD },
+	{ KE_KEY,  0x24, KEY_PLAYPAUSE },
+	{ KE_KEY,  0x25, KEY_STOPCD },
+	{ KE_KEY,  0x31, KEY_MAIL },
+	{ KE_KEY,  0x36, KEY_WWW },
+	{ KE_END,  0 }
+};
+
+static struct key_entry keymap_acer_aspire_1500[] = {
+	{ KE_KEY, 0x11, KEY_PROG1 },
+	{ KE_KEY, 0x12, KEY_PROG2 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_KEY, 0x31, KEY_MAIL },
+	{ KE_KEY, 0x36, KEY_WWW },
+	{ KE_BLUETOOTH, 0x44, 0 },
+	{ KE_END, 0 }
+};
+
+static struct key_entry keymap_acer_travelmate_240[] = {
+	{ KE_KEY, 0x31, KEY_MAIL },
+	{ KE_KEY, 0x36, KEY_WWW },
+	{ KE_KEY, 0x11, KEY_PROG1 },
+	{ KE_KEY, 0x12, KEY_PROG2 },
+	{ KE_BLUETOOTH, 0x44, 0 },
+	{ KE_WIFI, 0x30, 0 },
+	{ KE_END, 0 }
+};
+
+/*
+ * If your machine is not here (which is currently rather likely), please send
+ * a list of buttons and their key codes (reported when loading this module
+ * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
+ */
+static struct dmi_system_id dmi_ids[] = {
+	{
+		.callback = dmi_matched,
+		.ident = "Fujitsu-Siemens Amilo Pro V2000",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2000"),
+		},
+		.driver_data = keymap_fs_amilo_pro_v2000
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "Acer Aspire 1500",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1500"),
+		},
+		.driver_data = keymap_acer_aspire_1500
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "Acer TravelMate 240",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 240"),
+		},
+		.driver_data = keymap_acer_travelmate_240
+	},
+	{ NULL, }
+};
+
+static int __init select_keymap(void)
+{
+	if (keymap_name != NULL) {
+		if (strcmp (keymap_name, "1557/MS2141") == 0)
+			keymap = keymap_wistron_ms2141;
+		else {
+			printk(KERN_ERR "wistron_btns: Keymap unknown\n");
+			return -EINVAL;
+		}
+	}
+	dmi_check_system(dmi_ids);
+	if (keymap == NULL) {
+		if (!force) {
+			printk(KERN_ERR "wistron_btns: System unknown\n");
+			return -ENODEV;
+		}
+		keymap = keymap_empty;
+	}
+	return 0;
+}
+
+ /* Input layer interface */
+
+static struct input_dev *input_dev;
+
+static int __devinit setup_input_dev(void)
+{
+	const struct key_entry *key;
+	int error;
+
+	input_dev = input_allocate_device();
+	if (!input_dev)
+		return -ENOMEM;
+
+	input_dev->name = "Wistron laptop buttons";
+	input_dev->phys = "wistron/input0";
+	input_dev->id.bustype = BUS_HOST;
+	input_dev->cdev.dev = &wistron_device->dev;
+
+	for (key = keymap; key->type != KE_END; key++) {
+		if (key->type == KE_KEY) {
+			input_dev->evbit[LONG(EV_KEY)] = BIT(EV_KEY);
+			set_bit(key->keycode, input_dev->keybit);
+		}
+	}
+
+	error = input_register_device(input_dev);
+	if (error) {
+		input_free_device(input_dev);
+		return error;
+	}
+
+	return 0;
+}
+
+static void report_key(unsigned keycode)
+{
+	input_report_key(input_dev, keycode, 1);
+	input_sync(input_dev);
+	input_report_key(input_dev, keycode, 0);
+	input_sync(input_dev);
+}
+
+ /* Driver core */
+
+static int wifi_enabled;
+static int bluetooth_enabled;
+
+static void poll_bios(unsigned long);
+
+static struct timer_list poll_timer = TIMER_INITIALIZER(poll_bios, 0, 0);
+
+static void handle_key(u8 code)
+{
+	const struct key_entry *key;
+
+	for (key = keymap; key->type != KE_END; key++) {
+		if (code == key->code) {
+			switch (key->type) {
+			case KE_KEY:
+				report_key(key->keycode);
+				break;
+
+			case KE_WIFI:
+				if (have_wifi) {
+					wifi_enabled = !wifi_enabled;
+					bios_set_state(WIFI, wifi_enabled);
+				}
+				break;
+
+			case KE_BLUETOOTH:
+				if (have_bluetooth) {
+					bluetooth_enabled = !bluetooth_enabled;
+					bios_set_state(BLUETOOTH, bluetooth_enabled);
+				}
+				break;
+
+			case KE_END:
+			default:
+				BUG();
+			}
+			return;
+		}
+	}
+	printk(KERN_NOTICE "wistron_btns: Unknown key code %02X\n", code);
+}
+
+static void poll_bios(unsigned long discard)
+{
+	u8 qlen;
+	u16 val;
+
+	for (;;) {
+		qlen = CMOS_READ(cmos_address);
+		if (qlen == 0)
+			break;
+		val = bios_pop_queue();
+		if (val != 0 && !discard)
+			handle_key((u8)val);
+	}
+
+	mod_timer(&poll_timer, jiffies + HZ / POLL_FREQUENCY);
+}
+
+static int __devinit wistron_probe(struct platform_device *dev)
+{
+	int err = setup_input_dev();
+	if (err)
+		return err;
+
+	bios_attach();
+	cmos_address = bios_get_cmos_address();
+
+	if (have_wifi) {
+		u16 wifi = bios_get_default_setting(WIFI);
+		if (wifi & 1)
+			wifi_enabled = (wifi & 2) ? 1 : 0;
+		else
+			have_wifi = 0;
+
+		if (have_wifi)
+			bios_set_state(WIFI, wifi_enabled);
+	}
+
+	if (have_bluetooth) {
+		u16 bt = bios_get_default_setting(BLUETOOTH);
+		if (bt & 1)
+			bluetooth_enabled = (bt & 2) ? 1 : 0;
+		else
+			have_bluetooth = 0;
+
+		if (have_bluetooth)
+			bios_set_state(BLUETOOTH, bluetooth_enabled);
+	}
+
+	poll_bios(1); /* Flush stale event queue and arm timer */
+
+	return 0;
+}
+
+static int __devexit wistron_remove(struct platform_device *dev)
+{
+	del_timer_sync(&poll_timer);
+	input_unregister_device(input_dev);
+	bios_detach();
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int wistron_suspend(struct platform_device *dev, pm_message_t state)
+{
+	del_timer_sync(&poll_timer);
+
+	if (have_wifi)
+		bios_set_state(WIFI, 0);
+
+	if (have_bluetooth)
+		bios_set_state(BLUETOOTH, 0);
+
+	return 0;
+}
+
+static int wistron_resume(struct platform_device *dev)
+{
+	if (have_wifi)
+		bios_set_state(WIFI, wifi_enabled);
+
+	if (have_bluetooth)
+		bios_set_state(BLUETOOTH, bluetooth_enabled);
+
+	poll_bios(1);
+
+	return 0;
+}
+#else
+#define wistron_suspend		NULL
+#define wistron_resume		NULL
+#endif
+
+static struct platform_driver wistron_driver = {
+	.driver		= {
+		.name	= "wistron-bios",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= wistron_probe,
+	.remove		= __devexit_p(wistron_remove),
+	.suspend	= wistron_suspend,
+	.resume		= wistron_resume,
+};
+
+static int __init wb_module_init(void)
+{
+	int err;
+
+	err = select_keymap();
+	if (err)
+		return err;
+
+	err = map_bios();
+	if (err)
+		return err;
+
+	err = platform_driver_register(&wistron_driver);
+	if (err)
+		goto err_unmap_bios;
+
+	wistron_device = platform_device_alloc("wistron-bios", -1);
+	if (!wistron_device) {
+		err = -ENOMEM;
+		goto err_unregister_driver;
+	}
+
+	err = platform_device_add(wistron_device);
+	if (err)
+		goto err_free_device;
+
+	return 0;
+
+ err_free_device:
+	platform_device_put(wistron_device);
+ err_unregister_driver:
+	platform_driver_unregister(&wistron_driver);
+ err_unmap_bios:
+	unmap_bios();
+
+	return err;
+}
+
+static void __exit wb_module_exit(void)
+{
+	platform_device_unregister(wistron_device);
+	platform_driver_unregister(&wistron_driver);
+	unmap_bios();
+}
+
+module_init(wb_module_init);
+module_exit(wb_module_exit);
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 574b18a523af..f15ccf781688 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -86,16 +86,6 @@ config MOUSE_PC110PAD
 	  To compile this driver as a module, choose M here: the
 	  module will be called pc110pad.
 
-config MOUSE_MAPLE
-	tristate "Maple bus mouse"
-	depends on SH_DREAMCAST && MAPLE
-	help
-	  Say Y if you have a DreamCast console and a mouse attached to
-	  its Maple bus.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called maplemouse.
-
 config MOUSE_AMIGA
 	tristate "Amiga mouse"
 	depends on AMIGA
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 82b330bbf068..21a1de61a79b 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_MOUSE_AMIGA)	+= amimouse.o
 obj-$(CONFIG_MOUSE_RISCPC)	+= rpcmouse.o
 obj-$(CONFIG_MOUSE_INPORT)	+= inport.o
 obj-$(CONFIG_MOUSE_LOGIBM)	+= logibm.o
-obj-$(CONFIG_MOUSE_MAPLE)	+= maplemouse.o
 obj-$(CONFIG_MOUSE_PC110PAD)	+= pc110pad.o
 obj-$(CONFIG_MOUSE_PS2)		+= psmouse.o
 obj-$(CONFIG_MOUSE_SERIAL)	+= sermouse.o
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 4acc7fd4cd0f..2141501e9f2e 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -40,9 +40,10 @@ static struct alps_model_info alps_model_data[] = {
 	{ { 0x33, 0x02, 0x0a },	0x88, 0xf8, ALPS_OLDPROTO },		/* UMAX-530T */
 	{ { 0x53, 0x02, 0x0a },	0xf8, 0xf8, 0 },
 	{ { 0x53, 0x02, 0x14 },	0xf8, 0xf8, 0 },
+	{ { 0x60, 0x03, 0xc8 }, 0xf8, 0xf8, 0 },			/* HP ze1115 */
 	{ { 0x63, 0x02, 0x0a },	0xf8, 0xf8, 0 },
 	{ { 0x63, 0x02, 0x14 },	0xf8, 0xf8, 0 },
-	{ { 0x63, 0x02, 0x28 },	0xf8, 0xf8, 0 },
+	{ { 0x63, 0x02, 0x28 },	0xf8, 0xf8, ALPS_FW_BK_2 },		/* Fujitsu Siemens S6010 */
 	{ { 0x63, 0x02, 0x3c },	0x8f, 0x8f, ALPS_WHEEL },		/* Toshiba Satellite S2400-103 */
 	{ { 0x63, 0x02, 0x50 },	0xef, 0xef, ALPS_FW_BK_1 },		/* NEC Versa L320 */
 	{ { 0x63, 0x02, 0x64 },	0xf8, 0xf8, 0 },
@@ -347,6 +348,40 @@ static int alps_tap_mode(struct psmouse *psmouse, int enable)
 	return 0;
 }
 
+/*
+ * alps_poll() - poll the touchpad for current motion packet.
+ * Used in resync.
+ */
+static int alps_poll(struct psmouse *psmouse)
+{
+	struct alps_data *priv = psmouse->private;
+	unsigned char buf[6];
+	int poll_failed;
+
+	if (priv->i->flags & ALPS_PASS)
+		alps_passthrough_mode(psmouse, 1);
+
+	poll_failed = ps2_command(&psmouse->ps2dev, buf,
+				  PSMOUSE_CMD_POLL | (psmouse->pktsize << 8)) < 0;
+
+	if (priv->i->flags & ALPS_PASS)
+		alps_passthrough_mode(psmouse, 0);
+
+	if (poll_failed || (buf[0] & priv->i->mask0) != priv->i->byte0)
+		return -1;
+
+	if ((psmouse->badbyte & 0xc8) == 0x08) {
+/*
+ * Poll the track stick ...
+ */
+		if (ps2_command(&psmouse->ps2dev, buf, PSMOUSE_CMD_POLL | (3 << 8)))
+			return -1;
+	}
+
+	memcpy(psmouse->packet, buf, sizeof(buf));
+	return 0;
+}
+
 static int alps_reconnect(struct psmouse *psmouse)
 {
 	struct alps_data *priv = psmouse->private;
@@ -450,10 +485,14 @@ int alps_init(struct psmouse *psmouse)
 	input_register_device(priv->dev2);
 
 	psmouse->protocol_handler = alps_process_byte;
+	psmouse->poll = alps_poll;
 	psmouse->disconnect = alps_disconnect;
 	psmouse->reconnect = alps_reconnect;
 	psmouse->pktsize = 6;
 
+	/* We are having trouble resyncing ALPS touchpads so disable it for now */
+	psmouse->resync_time = 0;
+
 	return 0;
 
 init_fail:
diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index d13d4c8fe3c5..c8b2cc9f184c 100644
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -41,7 +41,7 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy, struct pt_regs *fp)
 	unsigned short joy0dat, potgor;
 	int nx, ny, dx, dy;
 
-	joy0dat = custom.joy0dat;
+	joy0dat = amiga_custom.joy0dat;
 
 	nx = joy0dat & 0xff;
 	ny = joy0dat >> 8;
@@ -57,7 +57,7 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy, struct pt_regs *fp)
 	amimouse_lastx = nx;
 	amimouse_lasty = ny;
 
-	potgor = custom.potgor;
+	potgor = amiga_custom.potgor;
 
 	input_regs(amimouse_dev, fp);
 
@@ -77,7 +77,7 @@ static int amimouse_open(struct input_dev *dev)
 {
 	unsigned short joy0dat;
 
-	joy0dat = custom.joy0dat;
+	joy0dat = amiga_custom.joy0dat;
 
 	amimouse_lastx = joy0dat & 0xff;
 	amimouse_lasty = joy0dat >> 8;
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 55991424ac91..5ccc3ef3b89e 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -27,6 +27,13 @@ static struct dmi_system_id lifebook_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"),
                },
        },
+       {
+               .ident = "Lifebook B142",
+               .matches = {
+                       DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"),
+               },
+
+       },
        { }
 };
 
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 31a59f7abfaf..c88520d3d13c 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -117,7 +117,7 @@ static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned cha
 	if (psmouse_sliced_command(psmouse, command))
 		return -1;
 
-	if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL))
+	if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL | 0x0300))
 		return -1;
 
 	return 0;
@@ -226,7 +226,9 @@ static struct ps2pp_info *get_model_info(unsigned char model)
 		{ 80,	PS2PP_KIND_WHEEL,	PS2PP_SIDE_BTN | PS2PP_WHEEL },
 		{ 81,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
 		{ 83,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
+		{ 85,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
 		{ 86,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
+		{ 87,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
 		{ 88,	PS2PP_KIND_WHEEL,	PS2PP_WHEEL },
 		{ 96,	0,			0 },
 		{ 97,	PS2PP_KIND_TP3,		PS2PP_WHEEL | PS2PP_HWHEEL },
diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c
deleted file mode 100644
index b5b34fe4fee8..000000000000
--- a/drivers/input/mouse/maplemouse.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- *	$Id: maplemouse.c,v 1.2 2004/03/22 01:18:15 lethal Exp $
- *	SEGA Dreamcast mouse driver
- *	Based on drivers/usb/usbmouse.c
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/input.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/timer.h>
-#include <linux/maple.h>
-
-MODULE_AUTHOR("YAEGASHI Takeshi <t@keshi.org>");
-MODULE_DESCRIPTION("SEGA Dreamcast mouse driver");
-
-static void dc_mouse_callback(struct mapleq *mq)
-{
-	int buttons, relx, rely, relz;
-	struct maple_device *mapledev = mq->dev;
-	struct input_dev *dev = mapledev->private_data;
-	unsigned char *res = mq->recvbuf;
-
-	buttons = ~res[8];
-	relx = *(unsigned short *)(res + 12) - 512;
-	rely = *(unsigned short *)(res + 14) - 512;
-	relz = *(unsigned short *)(res + 16) - 512;
-
-	input_report_key(dev, BTN_LEFT,   buttons & 4);
-	input_report_key(dev, BTN_MIDDLE, buttons & 9);
-	input_report_key(dev, BTN_RIGHT,  buttons & 2);
-	input_report_rel(dev, REL_X,      relx);
-	input_report_rel(dev, REL_Y,      rely);
-	input_report_rel(dev, REL_WHEEL,  relz);
-	input_sync(dev);
-}
-
-static int dc_mouse_connect(struct maple_device *dev)
-{
-	unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);
-	struct input_dev *input_dev;
-
-	dev->private_data = input_dev = input_allocate_device();
-	if (!input_dev)
-		return -ENOMEM;
-
-	dev->private_data = input_dev;
-
-	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
-	input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
-	input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
-
-	input_dev->name = dev->product_name;
-	input_dev->id.bustype = BUS_MAPLE;
-
-	input_register_device(input_dev);
-
-	maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE);
-
-	return 0;
-}
-
-
-static void dc_mouse_disconnect(struct maple_device *dev)
-{
-	struct input_dev *input_dev = dev->private_data;
-
-	input_unregister_device(input_dev);
-}
-
-
-static struct maple_driver dc_mouse_driver = {
-	.function =	MAPLE_FUNC_MOUSE,
-	.name =		"Dreamcast mouse",
-	.connect =	dc_mouse_connect,
-	.disconnect =	dc_mouse_disconnect,
-};
-
-
-static int __init dc_mouse_init(void)
-{
-	maple_register_driver(&dc_mouse_driver);
-	return 0;
-}
-
-
-static void __exit dc_mouse_exit(void)
-{
-	maple_unregister_driver(&dc_mouse_driver);
-}
-
-
-module_init(dc_mouse_init);
-module_exit(dc_mouse_exit);
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 6ee9999a2eaa..7665fd9ce559 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -54,10 +54,14 @@ static unsigned int psmouse_smartscroll = 1;
 module_param_named(smartscroll, psmouse_smartscroll, bool, 0644);
 MODULE_PARM_DESC(smartscroll, "Logitech Smartscroll autorepeat, 1 = enabled (default), 0 = disabled.");
 
-static unsigned int psmouse_resetafter;
+static unsigned int psmouse_resetafter = 5;
 module_param_named(resetafter, psmouse_resetafter, uint, 0644);
 MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
 
+static unsigned int psmouse_resync_time = 5;
+module_param_named(resync_time, psmouse_resync_time, uint, 0644);
+MODULE_PARM_DESC(resync_time, "How long can mouse stay idle before forcing resync (in seconds, 0 = never).");
+
 PSMOUSE_DEFINE_ATTR(protocol, S_IWUSR | S_IRUGO,
 			NULL,
 			psmouse_attr_show_protocol, psmouse_attr_set_protocol);
@@ -70,12 +74,16 @@ PSMOUSE_DEFINE_ATTR(resolution, S_IWUSR | S_IRUGO,
 PSMOUSE_DEFINE_ATTR(resetafter, S_IWUSR | S_IRUGO,
 			(void *) offsetof(struct psmouse, resetafter),
 			psmouse_show_int_attr, psmouse_set_int_attr);
+PSMOUSE_DEFINE_ATTR(resync_time, S_IWUSR | S_IRUGO,
+			(void *) offsetof(struct psmouse, resync_time),
+			psmouse_show_int_attr, psmouse_set_int_attr);
 
 static struct attribute *psmouse_attributes[] = {
 	&psmouse_attr_protocol.dattr.attr,
 	&psmouse_attr_rate.dattr.attr,
 	&psmouse_attr_resolution.dattr.attr,
 	&psmouse_attr_resetafter.dattr.attr,
+	&psmouse_attr_resync_time.dattr.attr,
 	NULL
 };
 
@@ -98,6 +106,8 @@ __obsolete_setup("psmouse_rate=");
  */
 static DECLARE_MUTEX(psmouse_sem);
 
+static struct workqueue_struct *kpsmoused_wq;
+
 struct psmouse_protocol {
 	enum psmouse_type type;
 	char *name;
@@ -178,15 +188,79 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse, struct pt_reg
 }
 
 /*
- * psmouse_interrupt() handles incoming characters, either gathering them into
- * packets or passing them to the command routine as command output.
+ * __psmouse_set_state() sets new psmouse state and resets all flags.
+ */
+
+static inline void __psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
+{
+	psmouse->state = new_state;
+	psmouse->pktcnt = psmouse->out_of_sync = 0;
+	psmouse->ps2dev.flags = 0;
+	psmouse->last = jiffies;
+}
+
+
+/*
+ * psmouse_set_state() sets new psmouse state and resets all flags and
+ * counters while holding serio lock so fighting with interrupt handler
+ * is not a concern.
+ */
+
+static void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
+{
+	serio_pause_rx(psmouse->ps2dev.serio);
+	__psmouse_set_state(psmouse, new_state);
+	serio_continue_rx(psmouse->ps2dev.serio);
+}
+
+/*
+ * psmouse_handle_byte() processes one byte of the input data stream
+ * by calling corresponding protocol handler.
+ */
+
+static int psmouse_handle_byte(struct psmouse *psmouse, struct pt_regs *regs)
+{
+	psmouse_ret_t rc = psmouse->protocol_handler(psmouse, regs);
+
+	switch (rc) {
+		case PSMOUSE_BAD_DATA:
+			if (psmouse->state == PSMOUSE_ACTIVATED) {
+				printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
+					psmouse->name, psmouse->phys, psmouse->pktcnt);
+				if (++psmouse->out_of_sync == psmouse->resetafter) {
+					__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+					printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
+					serio_reconnect(psmouse->ps2dev.serio);
+					return -1;
+				}
+			}
+			psmouse->pktcnt = 0;
+			break;
+
+		case PSMOUSE_FULL_PACKET:
+			psmouse->pktcnt = 0;
+			if (psmouse->out_of_sync) {
+				psmouse->out_of_sync = 0;
+				printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
+					psmouse->name, psmouse->phys);
+			}
+			break;
+
+		case PSMOUSE_GOOD_DATA:
+			break;
+	}
+	return 0;
+}
+
+/*
+ * psmouse_interrupt() handles incoming characters, either passing them
+ * for normal processing or gathering them as command response.
  */
 
 static irqreturn_t psmouse_interrupt(struct serio *serio,
 		unsigned char data, unsigned int flags, struct pt_regs *regs)
 {
 	struct psmouse *psmouse = serio_get_drvdata(serio);
-	psmouse_ret_t rc;
 
 	if (psmouse->state == PSMOUSE_IGNORE)
 		goto out;
@@ -208,67 +282,58 @@ static irqreturn_t psmouse_interrupt(struct serio *serio,
 		if  (ps2_handle_response(&psmouse->ps2dev, data))
 			goto out;
 
-	if (psmouse->state == PSMOUSE_INITIALIZING)
+	if (psmouse->state <= PSMOUSE_RESYNCING)
 		goto out;
 
 	if (psmouse->state == PSMOUSE_ACTIVATED &&
 	    psmouse->pktcnt && time_after(jiffies, psmouse->last + HZ/2)) {
-		printk(KERN_WARNING "psmouse.c: %s at %s lost synchronization, throwing %d bytes away.\n",
+		printk(KERN_INFO "psmouse.c: %s at %s lost synchronization, throwing %d bytes away.\n",
 		       psmouse->name, psmouse->phys, psmouse->pktcnt);
-		psmouse->pktcnt = 0;
+		psmouse->badbyte = psmouse->packet[0];
+		__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
+		queue_work(kpsmoused_wq, &psmouse->resync_work);
+		goto out;
 	}
 
-	psmouse->last = jiffies;
 	psmouse->packet[psmouse->pktcnt++] = data;
-
-	if (psmouse->packet[0] == PSMOUSE_RET_BAT) {
+/*
+ * Check if this is a new device announcement (0xAA 0x00)
+ */
+	if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
 		if (psmouse->pktcnt == 1)
 			goto out;
 
-		if (psmouse->pktcnt == 2) {
-			if (psmouse->packet[1] == PSMOUSE_RET_ID) {
-				psmouse->state = PSMOUSE_IGNORE;
-				serio_reconnect(serio);
-				goto out;
-			}
-			if (psmouse->type == PSMOUSE_SYNAPTICS) {
-				/* neither 0xAA nor 0x00 are valid first bytes
-				 * for a packet in absolute mode
-				 */
-				psmouse->pktcnt = 0;
-				goto out;
-			}
+		if (psmouse->packet[1] == PSMOUSE_RET_ID) {
+			__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+			serio_reconnect(serio);
+			goto out;
 		}
-	}
-
-	rc = psmouse->protocol_handler(psmouse, regs);
+/*
+ * Not a new device, try processing first byte normally
+ */
+		psmouse->pktcnt = 1;
+		if (psmouse_handle_byte(psmouse, regs))
+			goto out;
 
-	switch (rc) {
-		case PSMOUSE_BAD_DATA:
-			printk(KERN_WARNING "psmouse.c: %s at %s lost sync at byte %d\n",
-				psmouse->name, psmouse->phys, psmouse->pktcnt);
-			psmouse->pktcnt = 0;
+		psmouse->packet[psmouse->pktcnt++] = data;
+	}
 
-			if (++psmouse->out_of_sync == psmouse->resetafter) {
-				psmouse->state = PSMOUSE_IGNORE;
-				printk(KERN_NOTICE "psmouse.c: issuing reconnect request\n");
-				serio_reconnect(psmouse->ps2dev.serio);
-			}
-			break;
+/*
+ * See if we need to force resync because mouse was idle for too long
+ */
+	if (psmouse->state == PSMOUSE_ACTIVATED &&
+	    psmouse->pktcnt == 1 && psmouse->resync_time &&
+	    time_after(jiffies, psmouse->last + psmouse->resync_time * HZ)) {
+		psmouse->badbyte = psmouse->packet[0];
+		__psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
+		queue_work(kpsmoused_wq, &psmouse->resync_work);
+		goto out;
+	}
 
-		case PSMOUSE_FULL_PACKET:
-			psmouse->pktcnt = 0;
-			if (psmouse->out_of_sync) {
-				psmouse->out_of_sync = 0;
-				printk(KERN_NOTICE "psmouse.c: %s at %s - driver resynched.\n",
-					psmouse->name, psmouse->phys);
-			}
-			break;
+	psmouse->last = jiffies;
+	psmouse_handle_byte(psmouse, regs);
 
-		case PSMOUSE_GOOD_DATA:
-			break;
-	}
-out:
+ out:
 	return IRQ_HANDLED;
 }
 
@@ -527,11 +592,15 @@ static int psmouse_extensions(struct psmouse *psmouse,
 	if (max_proto > PSMOUSE_IMEX && ps2pp_init(psmouse, set_properties) == 0)
 		return PSMOUSE_PS2PP;
 
+	if (max_proto > PSMOUSE_IMEX && trackpoint_detect(psmouse, set_properties) == 0)
+		return PSMOUSE_TRACKPOINT;
+
 /*
  * Reset to defaults in case the device got confused by extended
- * protocol probes.
+ * protocol probes. Note that we do full reset becuase some mice
+ * put themselves to sleep when see PSMOUSE_RESET_DIS.
  */
-	ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
+	psmouse_reset(psmouse);
 
 	if (max_proto >= PSMOUSE_IMEX && im_explorer_detect(psmouse, set_properties) == 0)
 		return PSMOUSE_IMEX;
@@ -540,12 +609,6 @@ static int psmouse_extensions(struct psmouse *psmouse,
 		return PSMOUSE_IMPS;
 
 /*
- * Try to initialize the IBM TrackPoint
- */
-	if (max_proto > PSMOUSE_IMEX && trackpoint_detect(psmouse, set_properties) == 0)
-		return PSMOUSE_TRACKPOINT;
-
-/*
  * Okay, all failed, we have a standard mouse here. The number of the buttons
  * is still a question, though. We assume 3.
  */
@@ -559,7 +622,6 @@ static int psmouse_extensions(struct psmouse *psmouse,
  * extensions.
  */
 		psmouse_reset(psmouse);
-		ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
 	}
 
 	return PSMOUSE_PS2;
@@ -755,21 +817,6 @@ static void psmouse_initialize(struct psmouse *psmouse)
 }
 
 /*
- * psmouse_set_state() sets new psmouse state and resets all flags and
- * counters while holding serio lock so fighting with interrupt handler
- * is not a concern.
- */
-
-static void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
-{
-	serio_pause_rx(psmouse->ps2dev.serio);
-	psmouse->state = new_state;
-	psmouse->pktcnt = psmouse->out_of_sync = 0;
-	psmouse->ps2dev.flags = 0;
-	serio_continue_rx(psmouse->ps2dev.serio);
-}
-
-/*
  * psmouse_activate() enables the mouse so that we get motion reports from it.
  */
 
@@ -797,6 +844,111 @@ static void psmouse_deactivate(struct psmouse *psmouse)
 	psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
 }
 
+/*
+ * psmouse_poll() - default poll hanlder. Everyone except for ALPS uses it.
+ */
+
+static int psmouse_poll(struct psmouse *psmouse)
+{
+	return ps2_command(&psmouse->ps2dev, psmouse->packet,
+			   PSMOUSE_CMD_POLL | (psmouse->pktsize << 8));
+}
+
+
+/*
+ * psmouse_resync() attempts to re-validate current protocol.
+ */
+
+static void psmouse_resync(void *p)
+{
+	struct psmouse *psmouse = p, *parent = NULL;
+	struct serio *serio = psmouse->ps2dev.serio;
+	psmouse_ret_t rc = PSMOUSE_GOOD_DATA;
+	int failed = 0, enabled = 0;
+	int i;
+
+	down(&psmouse_sem);
+
+	if (psmouse->state != PSMOUSE_RESYNCING)
+		goto out;
+
+	if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
+		parent = serio_get_drvdata(serio->parent);
+		psmouse_deactivate(parent);
+	}
+
+/*
+ * Some mice don't ACK commands sent while they are in the middle of
+ * transmitting motion packet. To avoid delay we use ps2_sendbyte()
+ * instead of ps2_command() which would wait for 200ms for an ACK
+ * that may never come.
+ * As an additional quirk ALPS touchpads may not only forget to ACK
+ * disable command but will stop reporting taps, so if we see that
+ * mouse at least once ACKs disable we will do full reconnect if ACK
+ * is missing.
+ */
+	psmouse->num_resyncs++;
+
+	if (ps2_sendbyte(&psmouse->ps2dev, PSMOUSE_CMD_DISABLE, 20)) {
+		if (psmouse->num_resyncs < 3 || psmouse->acks_disable_command)
+			failed = 1;
+	} else
+		psmouse->acks_disable_command = 1;
+
+/*
+ * Poll the mouse. If it was reset the packet will be shorter than
+ * psmouse->pktsize and ps2_command will fail. We do not expect and
+ * do not handle scenario when mouse "upgrades" its protocol while
+ * disconnected since it would require additional delay. If we ever
+ * see a mouse that does it we'll adjust the code.
+ */
+	if (!failed) {
+		if (psmouse->poll(psmouse))
+			failed = 1;
+		else {
+			psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
+			for (i = 0; i < psmouse->pktsize; i++) {
+				psmouse->pktcnt++;
+				rc = psmouse->protocol_handler(psmouse, NULL);
+				if (rc != PSMOUSE_GOOD_DATA)
+					break;
+			}
+			if (rc != PSMOUSE_FULL_PACKET)
+				failed = 1;
+			psmouse_set_state(psmouse, PSMOUSE_RESYNCING);
+		}
+	}
+/*
+ * Now try to enable mouse. We try to do that even if poll failed and also
+ * repeat our attempts 5 times, otherwise we may be left out with disabled
+ * mouse.
+ */
+	for (i = 0; i < 5; i++) {
+		if (!ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE)) {
+			enabled = 1;
+			break;
+		}
+		msleep(200);
+	}
+
+	if (!enabled) {
+		printk(KERN_WARNING "psmouse.c: failed to re-enable mouse on %s\n",
+			psmouse->ps2dev.serio->phys);
+		failed = 1;
+	}
+
+	if (failed) {
+		psmouse_set_state(psmouse, PSMOUSE_IGNORE);
+		printk(KERN_INFO "psmouse.c: resync failed, issuing reconnect request\n");
+		serio_reconnect(serio);
+	} else
+		psmouse_set_state(psmouse, PSMOUSE_ACTIVATED);
+
+	if (parent)
+		psmouse_activate(parent);
+ out:
+	up(&psmouse_sem);
+}
 
 /*
  * psmouse_cleanup() resets the mouse into power-on state.
@@ -825,6 +977,11 @@ static void psmouse_disconnect(struct serio *serio)
 
 	psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
 
+	/* make sure we don't have a resync in progress */
+	up(&psmouse_sem);
+	flush_workqueue(kpsmoused_wq);
+	down(&psmouse_sem);
+
 	if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
 		parent = serio_get_drvdata(serio->parent);
 		psmouse_deactivate(parent);
@@ -862,6 +1019,7 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_proto
 
 	psmouse->set_rate = psmouse_set_rate;
 	psmouse->set_resolution = psmouse_set_resolution;
+	psmouse->poll = psmouse_poll;
 	psmouse->protocol_handler = psmouse_process_byte;
 	psmouse->pktsize = 3;
 
@@ -877,6 +1035,23 @@ static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_proto
 	else
 		psmouse->type = psmouse_extensions(psmouse, psmouse_max_proto, 1);
 
+	/*
+	 * If mouse's packet size is 3 there is no point in polling the
+	 * device in hopes to detect protocol reset - we won't get less
+	 * than 3 bytes response anyhow.
+	 */
+	if (psmouse->pktsize == 3)
+		psmouse->resync_time = 0;
+
+	/*
+	 * Some smart KVMs fake response to POLL command returning just
+	 * 3 bytes and messing up our resync logic, so if initial poll
+	 * fails we won't try polling the device anymore. Hopefully
+	 * such KVM will maintain initially selected protocol.
+	 */
+	if (psmouse->resync_time && psmouse->poll(psmouse))
+		psmouse->resync_time = 0;
+
 	sprintf(psmouse->devname, "%s %s %s",
 		psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name);
 
@@ -917,6 +1092,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
 		goto out;
 
 	ps2_init(&psmouse->ps2dev, serio);
+	INIT_WORK(&psmouse->resync_work, psmouse_resync, psmouse);
 	psmouse->dev = input_dev;
 	sprintf(psmouse->phys, "%s/input0", serio->phys);
 
@@ -937,6 +1113,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
 	psmouse->rate = psmouse_rate;
 	psmouse->resolution = psmouse_resolution;
 	psmouse->resetafter = psmouse_resetafter;
+	psmouse->resync_time = parent ? 0 : psmouse_resync_time;
 	psmouse->smartscroll = psmouse_smartscroll;
 
 	psmouse_switch_protocol(psmouse, NULL);
@@ -1281,13 +1458,21 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
 
 static int __init psmouse_init(void)
 {
+	kpsmoused_wq = create_singlethread_workqueue("kpsmoused");
+	if (!kpsmoused_wq) {
+		printk(KERN_ERR "psmouse: failed to create kpsmoused workqueue\n");
+		return -ENOMEM;
+	}
+
 	serio_register_driver(&psmouse_drv);
+
 	return 0;
 }
 
 static void __exit psmouse_exit(void)
 {
 	serio_unregister_driver(&psmouse_drv);
+	destroy_workqueue(kpsmoused_wq);
 }
 
 module_init(psmouse_init);
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index 7c4192bd1279..4d9107fba6a1 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -7,7 +7,7 @@
 #define PSMOUSE_CMD_GETINFO	0x03e9
 #define PSMOUSE_CMD_SETSTREAM	0x00ea
 #define PSMOUSE_CMD_SETPOLL	0x00f0
-#define PSMOUSE_CMD_POLL	0x03eb
+#define PSMOUSE_CMD_POLL	0x00eb	/* caller sets number of bytes to receive */
 #define PSMOUSE_CMD_GETID	0x02f2
 #define PSMOUSE_CMD_SETRATE	0x10f3
 #define PSMOUSE_CMD_ENABLE	0x00f4
@@ -23,6 +23,7 @@
 enum psmouse_state {
 	PSMOUSE_IGNORE,
 	PSMOUSE_INITIALIZING,
+	PSMOUSE_RESYNCING,
 	PSMOUSE_CMD_MODE,
 	PSMOUSE_ACTIVATED,
 };
@@ -38,15 +39,19 @@ struct psmouse {
 	void *private;
 	struct input_dev *dev;
 	struct ps2dev ps2dev;
+	struct work_struct resync_work;
 	char *vendor;
 	char *name;
 	unsigned char packet[8];
+	unsigned char badbyte;
 	unsigned char pktcnt;
 	unsigned char pktsize;
 	unsigned char type;
+	unsigned char acks_disable_command;
 	unsigned int model;
 	unsigned long last;
 	unsigned long out_of_sync;
+	unsigned long num_resyncs;
 	enum psmouse_state state;
 	char devname[64];
 	char phys[32];
@@ -54,6 +59,7 @@ struct psmouse {
 	unsigned int rate;
 	unsigned int resolution;
 	unsigned int resetafter;
+	unsigned int resync_time;
 	unsigned int smartscroll;	/* Logitech only */
 
 	psmouse_ret_t (*protocol_handler)(struct psmouse *psmouse, struct pt_regs *regs);
@@ -62,6 +68,7 @@ struct psmouse {
 
 	int (*reconnect)(struct psmouse *psmouse);
 	void (*disconnect)(struct psmouse *psmouse);
+	int (*poll)(struct psmouse *psmouse);
 
 	void (*pt_activate)(struct psmouse *psmouse);
 	void (*pt_deactivate)(struct psmouse *psmouse);
diff --git a/drivers/input/mouse/sermouse.c b/drivers/input/mouse/sermouse.c
index 4bf584364d28..2f9a04ae725f 100644
--- a/drivers/input/mouse/sermouse.c
+++ b/drivers/input/mouse/sermouse.c
@@ -95,7 +95,7 @@ static void sermouse_process_msc(struct sermouse *sermouse, signed char data, st
 
 	input_sync(dev);
 
-	if (++sermouse->count == (5 - ((sermouse->type == SERIO_SUN) << 1)))
+	if (++sermouse->count == 5)
 		sermouse->count = 0;
 }
 
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 97cdfd6acaca..2051bec2c394 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -652,6 +652,8 @@ int synaptics_init(struct psmouse *psmouse)
 	psmouse->disconnect = synaptics_disconnect;
 	psmouse->reconnect = synaptics_reconnect;
 	psmouse->pktsize = 6;
+	/* Synaptics can usually stay in sync without extra help */
+	psmouse->resync_time = 0;
 
 	if (SYN_CAP_PASS_THROUGH(priv->capabilities))
 		synaptics_pt_create(psmouse);
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 2d0af44ac4b9..81fd7a97a93d 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -40,15 +40,15 @@ MODULE_LICENSE("GPL");
 #endif
 
 static int xres = CONFIG_INPUT_MOUSEDEV_SCREEN_X;
-module_param(xres, uint, 0);
+module_param(xres, uint, 0644);
 MODULE_PARM_DESC(xres, "Horizontal screen resolution");
 
 static int yres = CONFIG_INPUT_MOUSEDEV_SCREEN_Y;
-module_param(yres, uint, 0);
+module_param(yres, uint, 0644);
 MODULE_PARM_DESC(yres, "Vertical screen resolution");
 
 static unsigned tap_time = 200;
-module_param(tap_time, uint, 0);
+module_param(tap_time, uint, 0644);
 MODULE_PARM_DESC(tap_time, "Tap time for touchpads in absolute mode (msecs)");
 
 struct mousedev_hw_data {
@@ -155,7 +155,7 @@ static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev,
 	switch (code) {
 		case ABS_X:
 			size = dev->absmax[ABS_X] - dev->absmin[ABS_X];
-			if (size == 0) size = xres;
+			if (size == 0) size = xres ? : 1;
 			if (value > dev->absmax[ABS_X]) value = dev->absmax[ABS_X];
 			if (value < dev->absmin[ABS_X]) value = dev->absmin[ABS_X];
 			mousedev->packet.x = ((value - dev->absmin[ABS_X]) * xres) / size;
@@ -164,7 +164,7 @@ static void mousedev_abs_event(struct input_dev *dev, struct mousedev *mousedev,
 
 		case ABS_Y:
 			size = dev->absmax[ABS_Y] - dev->absmin[ABS_Y];
-			if (size == 0) size = yres;
+			if (size == 0) size = yres ? : 1;
 			if (value > dev->absmax[ABS_Y]) value = dev->absmax[ABS_Y];
 			if (value < dev->absmin[ABS_Y]) value = dev->absmin[ABS_Y];
 			mousedev->packet.y = yres - ((value - dev->absmin[ABS_Y]) * yres) / size;
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index 9b1ab5e7a98d..3df5eedf8f31 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -19,12 +19,12 @@
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/kmi.h>
+#include <linux/clk.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hardware/amba.h>
-#include <asm/hardware/amba_kmi.h>
-#include <asm/hardware/clock.h>
 
 #define KMI_BASE	(kmi->base)
 
@@ -72,13 +72,9 @@ static int amba_kmi_open(struct serio *io)
 	unsigned int divisor;
 	int ret;
 
-	ret = clk_use(kmi->clk);
-	if (ret)
-		goto out;
-
 	ret = clk_enable(kmi->clk);
 	if (ret)
-		goto clk_unuse;
+		goto out;
 
 	divisor = clk_get_rate(kmi->clk) / 8000000 - 1;
 	writeb(divisor, KMICLKDIV);
@@ -97,8 +93,6 @@ static int amba_kmi_open(struct serio *io)
 
  clk_disable:
 	clk_disable(kmi->clk);
- clk_unuse:
-	clk_unuse(kmi->clk);
  out:
 	return ret;
 }
@@ -111,7 +105,6 @@ static void amba_kmi_close(struct serio *io)
 
 	free_irq(kmi->irq, kmi);
 	clk_disable(kmi->clk);
-	clk_unuse(kmi->clk);
 }
 
 static int amba_kmi_probe(struct amba_device *dev, void *id)
diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c
index 4da6c86b5d76..096b6a0b5cca 100644
--- a/drivers/input/serio/ct82c710.c
+++ b/drivers/input/serio/ct82c710.c
@@ -154,7 +154,7 @@ static int ct82c710_write(struct serio *port, unsigned char c)
  * See if we can find a 82C710 device. Read mouse address.
  */
 
-static int __init ct82c710_probe(void)
+static int __init ct82c710_detect(void)
 {
 	outb_p(0x55, 0x2fa);				/* Any value except 9, ff or 36 */
 	outb_p(0xaa, 0x3fa);				/* Inverse of 55 */
@@ -163,7 +163,7 @@ static int __init ct82c710_probe(void)
 	outb_p(0x1b, 0x2fa);				/* Inverse of e4 */
 	outb_p(0x0f, 0x390);				/* Write index */
 	if (inb_p(0x391) != 0xe4)			/* Config address found? */
-		return -1;				/* No: no 82C710 here */
+		return -ENODEV;				/* No: no 82C710 here */
 
 	outb_p(0x0d, 0x390);				/* Write index */
 	ct82c710_iores.start = inb_p(0x391) << 2;	/* Get mouse I/O address */
@@ -175,51 +175,88 @@ static int __init ct82c710_probe(void)
 	return 0;
 }
 
-static struct serio * __init ct82c710_allocate_port(void)
+static int __devinit ct82c710_probe(struct platform_device *dev)
 {
-	struct serio *serio;
-
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
-	if (serio) {
-		memset(serio, 0, sizeof(struct serio));
-		serio->id.type = SERIO_8042;
-		serio->open = ct82c710_open;
-		serio->close = ct82c710_close;
-		serio->write = ct82c710_write;
-		serio->dev.parent = &ct82c710_device->dev;
-		strlcpy(serio->name, "C&T 82c710 mouse port", sizeof(serio->name));
-		snprintf(serio->phys, sizeof(serio->phys), "isa%04lx/serio0", CT82C710_DATA);
-	}
+	ct82c710_port = kzalloc(sizeof(struct serio), GFP_KERNEL);
+	if (!ct82c710_port)
+		return -ENOMEM;
+
+	ct82c710_port->id.type = SERIO_8042;
+	ct82c710_port->dev.parent = &dev->dev;
+	ct82c710_port->open = ct82c710_open;
+	ct82c710_port->close = ct82c710_close;
+	ct82c710_port->write = ct82c710_write;
+	strlcpy(ct82c710_port->name, "C&T 82c710 mouse port",
+		sizeof(ct82c710_port->name));
+	snprintf(ct82c710_port->phys, sizeof(ct82c710_port->phys),
+		 "isa%04lx/serio0", CT82C710_DATA);
+
+	serio_register_port(ct82c710_port);
+
+	return 0;
+}
+
+static int __devexit ct82c710_remove(struct platform_device *dev)
+{
+	serio_unregister_port(ct82c710_port);
 
-	return serio;
+	return 0;
 }
 
+static struct platform_driver ct82c710_driver = {
+	.driver		= {
+		.name	= "ct82c710",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ct82c710_probe,
+	.remove		= __devexit_p(ct82c710_remove),
+};
+
+
 static int __init ct82c710_init(void)
 {
-	if (ct82c710_probe())
-		return -ENODEV;
+	int error;
 
-	ct82c710_device = platform_device_register_simple("ct82c710", -1, &ct82c710_iores, 1);
-	if (IS_ERR(ct82c710_device))
-		return PTR_ERR(ct82c710_device);
+	error = ct82c710_detect();
+	if (error)
+		return error;
 
-	if (!(ct82c710_port = ct82c710_allocate_port())) {
-		platform_device_unregister(ct82c710_device);
-		return -ENOMEM;
+	error = platform_driver_register(&ct82c710_driver);
+	if (error)
+		return error;
+
+	ct82c710_device = platform_device_alloc("ct82c710", -1);
+	if (!ct82c710_device) {
+		error = -ENOMEM;
+		goto err_unregister_driver;
 	}
 
+	error = platform_device_add_resources(ct82c710_device, &ct82c710_iores, 1);
+	if (error)
+		goto err_free_device;
+
+	error = platform_device_add(ct82c710_device);
+	if (error)
+		goto err_free_device;
+
 	serio_register_port(ct82c710_port);
 
 	printk(KERN_INFO "serio: C&T 82c710 mouse port at %#lx irq %d\n",
 		CT82C710_DATA, CT82C710_IRQ);
 
 	return 0;
+
+ err_free_device:
+	platform_device_put(ct82c710_device);
+ err_unregister_driver:
+	platform_driver_unregister(&ct82c710_driver);
+	return error;
 }
 
 static void __exit ct82c710_exit(void)
 {
-	serio_unregister_port(ct82c710_port);
 	platform_device_unregister(ct82c710_device);
+	platform_driver_unregister(&ct82c710_driver);
 }
 
 module_init(ct82c710_init);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 273bb3b08cfa..a4c6f3522723 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -84,6 +84,14 @@ static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 		},
 	},
+	{
+		.ident = "OQO Model 01",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
+		},
+	},
 	{ }
 };
 
@@ -158,6 +166,20 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 		},
 	},
+	{
+		.ident = "Sharp Actius MM20",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
+		},
+	},
+	{
+		.ident = "Sony Vaio FS-115b",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index ac86c1d1d83e..a7d91d5356a5 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -572,7 +572,7 @@ static int i8042_enable_mux_ports(void)
  * LCS/Telegraphics.
  */
 
-static int __init i8042_check_mux(void)
+static int __devinit i8042_check_mux(void)
 {
 	unsigned char mux_version;
 
@@ -600,7 +600,7 @@ static int __init i8042_check_mux(void)
  * the presence of an AUX interface.
  */
 
-static int __init i8042_check_aux(void)
+static int __devinit i8042_check_aux(void)
 {
 	unsigned char param;
 	static int i8042_check_aux_cookie;
@@ -678,7 +678,7 @@ static int __init i8042_check_aux(void)
  * registers it, and reports to the user.
  */
 
-static int __init i8042_port_register(struct i8042_port *port)
+static int __devinit i8042_port_register(struct i8042_port *port)
 {
 	i8042_ctr &= ~port->disable;
 
@@ -956,7 +956,6 @@ static int i8042_resume(struct platform_device *dev)
 	panic_blink = i8042_panic_blink;
 
 	return 0;
-
 }
 
 /*
@@ -969,16 +968,7 @@ static void i8042_shutdown(struct platform_device *dev)
 	i8042_controller_cleanup();
 }
 
-static struct platform_driver i8042_driver = {
-	.suspend	= i8042_suspend,
-	.resume		= i8042_resume,
-	.shutdown	= i8042_shutdown,
-	.driver		= {
-		.name	= "i8042",
-	},
-};
-
-static int __init i8042_create_kbd_port(void)
+static int __devinit i8042_create_kbd_port(void)
 {
 	struct serio *serio;
 	struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO];
@@ -1003,7 +993,7 @@ static int __init i8042_create_kbd_port(void)
 	return i8042_port_register(port);
 }
 
-static int __init i8042_create_aux_port(void)
+static int __devinit i8042_create_aux_port(void)
 {
 	struct serio *serio;
 	struct i8042_port *port = &i8042_ports[I8042_AUX_PORT_NO];
@@ -1028,7 +1018,7 @@ static int __init i8042_create_aux_port(void)
 	return i8042_port_register(port);
 }
 
-static int __init i8042_create_mux_port(int index)
+static int __devinit i8042_create_mux_port(int index)
 {
 	struct serio *serio;
 	struct i8042_port *port = &i8042_ports[I8042_MUX_PORT_NO + index];
@@ -1057,37 +1047,16 @@ static int __init i8042_create_mux_port(int index)
 	return i8042_port_register(port);
 }
 
-static int __init i8042_init(void)
+static int __devinit i8042_probe(struct platform_device *dev)
 {
 	int i, have_ports = 0;
 	int err;
 
-	dbg_init();
-
 	init_timer(&i8042_timer);
 	i8042_timer.function = i8042_timer_func;
 
-	err = i8042_platform_init();
-	if (err)
-		return err;
-
-	i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
-	i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
-
-	if (i8042_controller_init()) {
-		err = -ENODEV;
-		goto err_platform_exit;
-	}
-
-	err = platform_driver_register(&i8042_driver);
-	if (err)
-		goto err_controller_cleanup;
-
-	i8042_platform_device = platform_device_register_simple("i8042", -1, NULL, 0);
-	if (IS_ERR(i8042_platform_device)) {
-		err = PTR_ERR(i8042_platform_device);
-		goto err_unregister_driver;
-	}
+	if (i8042_controller_init())
+		return -ENODEV;
 
 	if (!i8042_noaux && !i8042_check_aux()) {
 		if (!i8042_nomux && !i8042_check_mux()) {
@@ -1113,30 +1082,23 @@ static int __init i8042_init(void)
 
 	if (!have_ports) {
 		err = -ENODEV;
-		goto err_unregister_device;
+		goto err_controller_cleanup;
 	}
 
 	mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
-
 	return 0;
 
  err_unregister_ports:
 	for (i = 0; i < I8042_NUM_PORTS; i++)
 		if (i8042_ports[i].serio)
 			serio_unregister_port(i8042_ports[i].serio);
- err_unregister_device:
-	platform_device_unregister(i8042_platform_device);
- err_unregister_driver:
-	platform_driver_unregister(&i8042_driver);
  err_controller_cleanup:
 	i8042_controller_cleanup();
- err_platform_exit:
-	i8042_platform_exit();
 
 	return err;
 }
 
-static void __exit i8042_exit(void)
+static int __devexit i8042_remove(struct platform_device *dev)
 {
 	int i;
 
@@ -1148,6 +1110,62 @@ static void __exit i8042_exit(void)
 
 	del_timer_sync(&i8042_timer);
 
+	return 0;
+}
+
+static struct platform_driver i8042_driver = {
+	.driver		= {
+		.name	= "i8042",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= i8042_probe,
+	.remove		= __devexit_p(i8042_remove),
+	.suspend	= i8042_suspend,
+	.resume		= i8042_resume,
+	.shutdown	= i8042_shutdown,
+};
+
+static int __init i8042_init(void)
+{
+	int err;
+
+	dbg_init();
+
+	err = i8042_platform_init();
+	if (err)
+		return err;
+
+	i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
+	i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
+
+	err = platform_driver_register(&i8042_driver);
+	if (err)
+		goto err_platform_exit;
+
+	i8042_platform_device = platform_device_alloc("i8042", -1);
+	if (!i8042_platform_device) {
+		err = -ENOMEM;
+		goto err_unregister_driver;
+	}
+
+	err = platform_device_add(i8042_platform_device);
+	if (err)
+		goto err_free_device;
+
+	return 0;
+
+ err_free_device:
+	platform_device_put(i8042_platform_device);
+ err_unregister_driver:
+	platform_driver_unregister(&i8042_driver);
+ err_platform_exit:
+	i8042_platform_exit();
+
+	return err;
+}
+
+static void __exit i8042_exit(void)
+{
 	platform_device_unregister(i8042_platform_device);
 	platform_driver_unregister(&i8042_driver);
 
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h
index 13835039a2a7..cbbf3842da5b 100644
--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@@ -21,7 +21,7 @@
 #include "i8042-ip22io.h"
 #elif defined(CONFIG_PPC)
 #include "i8042-ppcio.h"
-#elif defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+#elif defined(CONFIG_SPARC)
 #include "i8042-sparcio.h"
 #elif defined(CONFIG_X86) || defined(CONFIG_IA64)
 #include "i8042-x86ia64io.h"
diff --git a/drivers/input/serio/maceps2.c b/drivers/input/serio/maceps2.c
index d857f7081adb..f08a5d0cd5fa 100644
--- a/drivers/input/serio/maceps2.c
+++ b/drivers/input/serio/maceps2.c
@@ -118,13 +118,12 @@ static void maceps2_close(struct serio *dev)
 }
 
 
-static struct serio * __init maceps2_allocate_port(int idx)
+static struct serio * __devinit maceps2_allocate_port(int idx)
 {
 	struct serio *serio;
 
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+	serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
 	if (serio) {
-		memset(serio, 0, sizeof(struct serio));
 		serio->id.type		= SERIO_8042;
 		serio->write		= maceps2_write;
 		serio->open		= maceps2_open;
@@ -138,24 +137,13 @@ static struct serio * __init maceps2_allocate_port(int idx)
 	return serio;
 }
 
-
-static int __init maceps2_init(void)
+static int __devinit maceps2_probe(struct platform_device *dev)
 {
-	maceps2_device = platform_device_register_simple("maceps2", -1, NULL, 0);
-	if (IS_ERR(maceps2_device))
-		return PTR_ERR(maceps2_device);
-
-	port_data[0].port = &mace->perif.ps2.keyb;
-	port_data[0].irq  = MACEISA_KEYB_IRQ;
-	port_data[1].port = &mace->perif.ps2.mouse;
-	port_data[1].irq  = MACEISA_MOUSE_IRQ;
-
 	maceps2_port[0] = maceps2_allocate_port(0);
 	maceps2_port[1] = maceps2_allocate_port(1);
 	if (!maceps2_port[0] || !maceps2_port[1]) {
 		kfree(maceps2_port[0]);
 		kfree(maceps2_port[1]);
-		platform_device_unregister(maceps2_device);
 		return -ENOMEM;
 	}
 
@@ -165,11 +153,59 @@ static int __init maceps2_init(void)
 	return 0;
 }
 
-static void __exit maceps2_exit(void)
+static int __devexit maceps2_remove(struct platform_device *dev)
 {
 	serio_unregister_port(maceps2_port[0]);
 	serio_unregister_port(maceps2_port[1]);
+
+	return 0;
+}
+
+static struct platform_driver maceps2_driver = {
+	.driver		= {
+		.name	= "maceps2",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= maceps2_probe,
+	.remove		= __devexit_p(maceps2_remove),
+};
+
+static int __init maceps2_init(void)
+{
+	int error;
+
+	error = platform_driver_register(&maceps2_driver);
+	if (error)
+		return error;
+
+	maceps2_device = platform_device_alloc("maceps2", -1);
+	if (!maceps2_device) {
+		error = -ENOMEM;
+		goto err_unregister_driver;
+	}
+
+	port_data[0].port = &mace->perif.ps2.keyb;
+	port_data[0].irq  = MACEISA_KEYB_IRQ;
+	port_data[1].port = &mace->perif.ps2.mouse;
+	port_data[1].irq  = MACEISA_MOUSE_IRQ;
+
+	error = platform_device_add(maceps2_device);
+	if (error)
+		goto err_free_device;
+
+	return 0;
+
+ err_free_device:
+	platform_device_put(maceps2_device);
+ err_unregister_driver:
+	platform_driver_unregister(&maceps2_driver);
+	return error;
+}
+
+static void __exit maceps2_exit(void)
+{
 	platform_device_unregister(maceps2_device);
+	platform_driver_unregister(&maceps2_driver);
 }
 
 module_init(maceps2_init);
diff --git a/drivers/input/serio/q40kbd.c b/drivers/input/serio/q40kbd.c
index b44d255596c2..d3827c5fe119 100644
--- a/drivers/input/serio/q40kbd.c
+++ b/drivers/input/serio/q40kbd.c
@@ -75,13 +75,13 @@ static irqreturn_t q40kbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 static void q40kbd_flush(void)
 {
- 	int maxread = 100;
+	int maxread = 100;
 	unsigned long flags;
 
 	spin_lock_irqsave(&q40kbd_lock, flags);
 
- 	while (maxread-- && (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))
- 		master_inb(KEYCODE_REG);
+	while (maxread-- && (Q40_IRQ_KEYB_MASK & master_inb(INTERRUPT_REG)))
+		master_inb(KEYCODE_REG);
 
 	spin_unlock_irqrestore(&q40kbd_lock, flags);
 }
@@ -97,14 +97,14 @@ static int q40kbd_open(struct serio *port)
 
 	if (request_irq(Q40_IRQ_KEYBOARD, q40kbd_interrupt, 0, "q40kbd", NULL)) {
 		printk(KERN_ERR "q40kbd.c: Can't get irq %d.\n", Q40_IRQ_KEYBOARD);
-		return -1;
+		return -EBUSY;
 	}
 
- 	/* off we go */
- 	master_outb(-1, KEYBOARD_UNLOCK_REG);
- 	master_outb(1, KEY_IRQ_ENABLE_REG);
+	/* off we go */
+	master_outb(-1, KEYBOARD_UNLOCK_REG);
+	master_outb(1, KEY_IRQ_ENABLE_REG);
 
- 	return 0;
+	return 0;
 }
 
 static void q40kbd_close(struct serio *port)
@@ -116,48 +116,73 @@ static void q40kbd_close(struct serio *port)
 	q40kbd_flush();
 }
 
-static struct serio * __init q40kbd_allocate_port(void)
+static int __devinit q40kbd_probe(struct platform_device *dev)
 {
-	struct serio *serio;
-
-	serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
-	if (serio) {
-		memset(serio, 0, sizeof(struct serio));
-		serio->id.type		= SERIO_8042;
-		serio->open		= q40kbd_open;
-		serio->close		= q40kbd_close;
-		serio->dev.parent	= &q40kbd_device->dev;
-		strlcpy(serio->name, "Q40 Kbd Port", sizeof(serio->name));
-		strlcpy(serio->phys, "Q40", sizeof(serio->phys));
-	}
+	q40kbd_port = kzalloc(sizeof(struct serio), GFP_KERNEL);
+	if (!q40kbd_port)
+		return -ENOMEM;
+
+	q40kbd_port->id.type	= SERIO_8042;
+	q40kbd_port->open	= q40kbd_open;
+	q40kbd_port->close	= q40kbd_close;
+	q40kbd_port->dev.parent	= &dev->dev;
+	strlcpy(q40kbd_port->name, "Q40 Kbd Port", sizeof(q40kbd_port->name));
+	strlcpy(q40kbd_port->phys, "Q40", sizeof(q40kbd_port->phys));
+
+	serio_register_port(q40kbd_port);
+	printk(KERN_INFO "serio: Q40 kbd registered\n");
 
-	return serio;
+	return 0;
 }
 
+static int __devexit q40kbd_remove(struct platform_device *dev)
+{
+	serio_unregister_port(q40kbd_port);
+
+	return 0;
+}
+
+static struct platform_driver q40kbd_driver = {
+	.driver		= {
+		.name	= "q40kbd",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= q40kbd_probe,
+	.remove		= __devexit_p(q40kbd_remove),
+};
+
 static int __init q40kbd_init(void)
 {
+	int error;
+
 	if (!MACH_IS_Q40)
 		return -EIO;
 
-	q40kbd_device = platform_device_register_simple("q40kbd", -1, NULL, 0);
-	if (IS_ERR(q40kbd_device))
-		return PTR_ERR(q40kbd_device);
+	error = platform_driver_register(&q40kbd_driver);
+	if (error)
+		return error;
 
-	if (!(q40kbd_port = q40kbd_allocate_port())) {
-		platform_device_unregister(q40kbd_device);
-		return -ENOMEM;
-	}
+	q40kbd_device = platform_device_alloc("q40kbd", -1);
+	if (!q40kbd_device)
+		goto err_unregister_driver;
 
-	serio_register_port(q40kbd_port);
-	printk(KERN_INFO "serio: Q40 kbd registered\n");
+	error = platform_device_add(q40kbd_device);
+	if (error)
+		goto err_free_device;
 
 	return 0;
+
+ err_free_device:
+	platform_device_put(q40kbd_device);
+ err_unregister_driver:
+	platform_driver_unregister(&q40kbd_driver);
+	return error;
 }
 
 static void __exit q40kbd_exit(void)
 {
-	serio_unregister_port(q40kbd_port);
 	platform_device_unregister(q40kbd_device);
+	platform_driver_unregister(&q40kbd_driver);
 }
 
 module_init(q40kbd_init);
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index 3f0df3330fb2..ebd9976fc811 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -20,7 +20,6 @@
 #include <linux/spinlock.h>
 
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/system.h>
 
 #include <asm/hardware/sa1111.h>
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index edd15db17715..2f76813c3a64 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -59,9 +59,7 @@ static DECLARE_MUTEX(serio_sem);
 
 static LIST_HEAD(serio_list);
 
-static struct bus_type serio_bus = {
-	.name =	"serio",
-};
+static struct bus_type serio_bus;
 
 static void serio_add_port(struct serio *serio);
 static void serio_destroy_port(struct serio *serio);
@@ -269,14 +267,20 @@ static struct serio_event *serio_get_event(void)
 	return event;
 }
 
-static void serio_handle_events(void)
+static void serio_handle_event(void)
 {
 	struct serio_event *event;
 	struct serio_driver *serio_drv;
 
 	down(&serio_sem);
 
-	while ((event = serio_get_event())) {
+	/*
+	 * Note that we handle only one event here to give swsusp
+	 * a chance to freeze kseriod thread. Serio events should
+	 * be pretty rare so we are not concerned about taking
+	 * performance hit.
+	 */
+	if ((event = serio_get_event())) {
 
 		switch (event->type) {
 			case SERIO_REGISTER_PORT:
@@ -368,7 +372,7 @@ static struct serio *serio_get_pending_child(struct serio *parent)
 static int serio_thread(void *nothing)
 {
 	do {
-		serio_handle_events();
+		serio_handle_event();
 		wait_event_interruptible(serio_wait,
 			kthread_should_stop() || !list_empty(&serio_event_list));
 		try_to_freeze();
@@ -744,11 +748,15 @@ static int serio_driver_remove(struct device *dev)
 	return 0;
 }
 
+static struct bus_type serio_bus = {
+	.name =	"serio",
+	.probe = serio_driver_probe,
+	.remove = serio_driver_remove,
+};
+
 void __serio_register_driver(struct serio_driver *drv, struct module *owner)
 {
 	drv->driver.bus = &serio_bus;
-	drv->driver.probe = serio_driver_probe;
-	drv->driver.remove = serio_driver_remove;
 
 	serio_queue_event(drv, owner, SERIO_REGISTER_DRIVER);
 }
@@ -794,16 +802,16 @@ static int serio_bus_match(struct device *dev, struct device_driver *drv)
 
 #ifdef CONFIG_HOTPLUG
 
-#define SERIO_ADD_HOTPLUG_VAR(fmt, val...)				\
+#define SERIO_ADD_UEVENT_VAR(fmt, val...)				\
 	do {								\
-		int err = add_hotplug_env_var(envp, num_envp, &i,	\
+		int err = add_uevent_var(envp, num_envp, &i,	\
 					buffer, buffer_size, &len,	\
 					fmt, val);			\
 		if (err)						\
 			return err;					\
 	} while (0)
 
-static int serio_hotplug(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
 {
 	struct serio *serio;
 	int i = 0;
@@ -814,21 +822,21 @@ static int serio_hotplug(struct device *dev, char **envp, int num_envp, char *bu
 
 	serio = to_serio_port(dev);
 
-	SERIO_ADD_HOTPLUG_VAR("SERIO_TYPE=%02x", serio->id.type);
-	SERIO_ADD_HOTPLUG_VAR("SERIO_PROTO=%02x", serio->id.proto);
-	SERIO_ADD_HOTPLUG_VAR("SERIO_ID=%02x", serio->id.id);
-	SERIO_ADD_HOTPLUG_VAR("SERIO_EXTRA=%02x", serio->id.extra);
-	SERIO_ADD_HOTPLUG_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
+	SERIO_ADD_UEVENT_VAR("SERIO_TYPE=%02x", serio->id.type);
+	SERIO_ADD_UEVENT_VAR("SERIO_PROTO=%02x", serio->id.proto);
+	SERIO_ADD_UEVENT_VAR("SERIO_ID=%02x", serio->id.id);
+	SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
+	SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
 				serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
 	envp[i] = NULL;
 
 	return 0;
 }
-#undef SERIO_ADD_HOTPLUG_VAR
+#undef SERIO_ADD_UEVENT_VAR
 
 #else
 
-static int serio_hotplug(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
 {
 	return -ENODEV;
 }
@@ -902,7 +910,7 @@ static int __init serio_init(void)
 	serio_bus.dev_attrs = serio_device_attrs;
 	serio_bus.drv_attrs = serio_driver_attrs;
 	serio_bus.match = serio_bus_match;
-	serio_bus.hotplug = serio_hotplug;
+	serio_bus.uevent = serio_uevent;
 	serio_bus.resume = serio_resume;
 	bus_register(&serio_bus);
 
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 1bd88fca0542..54a680cc704d 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -96,6 +96,7 @@ static int serport_ldisc_open(struct tty_struct *tty)
 	init_waitqueue_head(&serport->wait);
 
 	tty->disc_data = serport;
+	tty->receive_room = 256;
 	set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
 
 	return 0;
@@ -140,17 +141,6 @@ out:
 }
 
 /*
- * serport_ldisc_room() reports how much room we do have for receiving data.
- * Although we in fact have infinite room, we need to specify some value
- * here, and 256 seems to be reasonable.
- */
-
-static int serport_ldisc_room(struct tty_struct *tty)
-{
-	return 256;
-}
-
-/*
  * serport_ldisc_read() just waits indefinitely if everything goes well.
  * However, when the serio driver closes the serio port, it finishes,
  * returning 0 characters.
@@ -237,7 +227,6 @@ static struct tty_ldisc serport_ldisc = {
 	.read =		serport_ldisc_read,
 	.ioctl =	serport_ldisc_ioctl,
 	.receive_buf =	serport_ldisc_receive,
-	.receive_room =	serport_ldisc_room,
 	.write_wakeup =	serport_ldisc_write_wakeup
 };
 
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 21d55ed4b88a..b1b14f8d4dd6 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -11,6 +11,19 @@ menuconfig INPUT_TOUCHSCREEN
 
 if INPUT_TOUCHSCREEN
 
+config TOUCHSCREEN_ADS7846
+	tristate "ADS 7846 based touchscreens"
+	depends on SPI_MASTER
+	help
+	  Say Y here if you have a touchscreen interface using the
+	  ADS7846 controller, and your board-specific initialization
+	  code includes that in its table of SPI devices.
+
+	  If unsure, say N (but it's safe to say "Y").
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ads7846.
+
 config TOUCHSCREEN_BITSY
 	tristate "Compaq iPAQ H3600 (Bitsy) touchscreen"
 	depends on SA1100_BITSY
@@ -85,7 +98,7 @@ config TOUCHSCREEN_MK712
 
 config TOUCHSCREEN_HP600
 	tristate "HP Jornada 680/690 touchscreen"
-	depends on SH_HP600 && SH_ADC
+	depends on SH_HP6XX && SH_ADC
 	help
 	  Say Y here if you have a HP Jornada 680 or 690 and want to
           support the built-in touchscreen.
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index 6842869c9a26..5e5557c43121 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -4,6 +4,7 @@
 
 # Each configuration option enables a list of files.
 
+obj-$(CONFIG_TOUCHSCREEN_ADS7846)	+= ads7846.o
 obj-$(CONFIG_TOUCHSCREEN_BITSY)	+= h3600_ts_input.o
 obj-$(CONFIG_TOUCHSCREEN_CORGI)	+= corgi_ts.o
 obj-$(CONFIG_TOUCHSCREEN_GUNZE)	+= gunze.o
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
new file mode 100644
index 000000000000..dd8c6a9ffc76
--- /dev/null
+++ b/drivers/input/touchscreen/ads7846.c
@@ -0,0 +1,625 @@
+/*
+ * ADS7846 based touchscreen and sensor driver
+ *
+ * Copyright (c) 2005 David Brownell
+ *
+ * Using code from:
+ *  - corgi_ts.c
+ *	Copyright (C) 2004-2005 Richard Purdie
+ *  - omap_ts.[hc], ads7846.h, ts_osk.c
+ *	Copyright (C) 2002 MontaVista Software
+ *	Copyright (C) 2004 Texas Instruments
+ *	Copyright (C) 2005 Dirk Behme
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+#ifdef	CONFIG_ARM
+#include <asm/mach-types.h>
+#ifdef	CONFIG_ARCH_OMAP
+#include <asm/arch/gpio.h>
+#endif
+
+#else
+#define	set_irq_type(irq,type)	do{}while(0)
+#endif
+
+
+/*
+ * This code has been lightly tested on an ads7846.
+ * Support for ads7843 and ads7845 has only been stubbed in.
+ *
+ * Not yet done:  investigate the values reported.  Are x/y/pressure
+ * event values sane enough for X11?  How accurate are the temperature
+ * and voltage readings?  (System-specific calibration should support
+ * accuracy of 0.3 degrees C; otherwise it's 2.0 degrees.)
+ *
+ * app note sbaa036 talks in more detail about accurate sampling...
+ * that ought to help in situations like LCDs inducing noise (which
+ * can also be helped by using synch signals) and more generally.
+ */
+
+#define	TS_POLL_PERIOD	msecs_to_jiffies(10)
+
+struct ts_event {
+	/* For portability, we can't read 12 bit values using SPI (which
+	 * would make the controller deliver them as native byteorder u16
+	 * with msbs zeroed).  Instead, we read them as two 8-byte values,
+	 * which need byteswapping then range adjustment.
+	 */
+	__be16 x;
+	__be16 y;
+	__be16 z1, z2;
+};
+
+struct ads7846 {
+	struct input_dev	input;
+	char			phys[32];
+
+	struct spi_device	*spi;
+	u16			model;
+	u16			vref_delay_usecs;
+	u16			x_plate_ohms;
+
+	struct ts_event		tc;
+
+	struct spi_transfer	xfer[8];
+	struct spi_message	msg;
+
+	spinlock_t		lock;
+	struct timer_list	timer;		/* P: lock */
+	unsigned		pendown:1;	/* P: lock */
+	unsigned		pending:1;	/* P: lock */
+// FIXME remove "irq_disabled"
+	unsigned		irq_disabled:1;	/* P: lock */
+};
+
+/* leave chip selected when we're done, for quicker re-select? */
+#if	0
+#define	CS_CHANGE(xfer)	((xfer).cs_change = 1)
+#else
+#define	CS_CHANGE(xfer)	((xfer).cs_change = 0)
+#endif
+
+/*--------------------------------------------------------------------------*/
+
+/* The ADS7846 has touchscreen and other sensors.
+ * Earlier ads784x chips are somewhat compatible.
+ */
+#define	ADS_START		(1 << 7)
+#define	ADS_A2A1A0_d_y		(1 << 4)	/* differential */
+#define	ADS_A2A1A0_d_z1		(3 << 4)	/* differential */
+#define	ADS_A2A1A0_d_z2		(4 << 4)	/* differential */
+#define	ADS_A2A1A0_d_x		(5 << 4)	/* differential */
+#define	ADS_A2A1A0_temp0	(0 << 4)	/* non-differential */
+#define	ADS_A2A1A0_vbatt	(2 << 4)	/* non-differential */
+#define	ADS_A2A1A0_vaux		(6 << 4)	/* non-differential */
+#define	ADS_A2A1A0_temp1	(7 << 4)	/* non-differential */
+#define	ADS_8_BIT		(1 << 3)
+#define	ADS_12_BIT		(0 << 3)
+#define	ADS_SER			(1 << 2)	/* non-differential */
+#define	ADS_DFR			(0 << 2)	/* differential */
+#define	ADS_PD10_PDOWN		(0 << 0)	/* lowpower mode + penirq */
+#define	ADS_PD10_ADC_ON		(1 << 0)	/* ADC on */
+#define	ADS_PD10_REF_ON		(2 << 0)	/* vREF on + penirq */
+#define	ADS_PD10_ALL_ON		(3 << 0)	/* ADC + vREF on */
+
+#define	MAX_12BIT	((1<<12)-1)
+
+/* leave ADC powered up (disables penirq) between differential samples */
+#define	READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \
+	| ADS_12_BIT | ADS_DFR)
+
+static const u8	read_y  = READ_12BIT_DFR(y)  | ADS_PD10_ADC_ON;
+static const u8	read_z1 = READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON;
+static const u8	read_z2 = READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON;
+static const u8	read_x  = READ_12BIT_DFR(x)  | ADS_PD10_PDOWN;	/* LAST */
+
+/* single-ended samples need to first power up reference voltage;
+ * we leave both ADC and VREF powered
+ */
+#define	READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \
+	| ADS_12_BIT | ADS_SER)
+
+static const u8	ref_on = READ_12BIT_DFR(x) | ADS_PD10_ALL_ON;
+static const u8	ref_off = READ_12BIT_DFR(y) | ADS_PD10_PDOWN;
+
+/*--------------------------------------------------------------------------*/
+
+/*
+ * Non-touchscreen sensors only use single-ended conversions.
+ */
+
+struct ser_req {
+	u8			command;
+	u16			scratch;
+	__be16			sample;
+	struct spi_message	msg;
+	struct spi_transfer	xfer[6];
+};
+
+static int ads7846_read12_ser(struct device *dev, unsigned command)
+{
+	struct spi_device	*spi = to_spi_device(dev);
+	struct ads7846		*ts = dev_get_drvdata(dev);
+	struct ser_req		*req = kzalloc(sizeof *req, SLAB_KERNEL);
+	int			status;
+	int			sample;
+	int 			i;
+
+	if (!req)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&req->msg.transfers);
+
+	/* activate reference, so it has time to settle; */
+	req->xfer[0].tx_buf = &ref_on;
+	req->xfer[0].len = 1;
+	req->xfer[1].rx_buf = &req->scratch;
+	req->xfer[1].len = 2;
+
+	/*
+	 * for external VREF, 0 usec (and assume it's always on);
+	 * for 1uF, use 800 usec;
+	 * no cap, 100 usec.
+	 */
+	req->xfer[1].delay_usecs = ts->vref_delay_usecs;
+
+	/* take sample */
+	req->command = (u8) command;
+	req->xfer[2].tx_buf = &req->command;
+	req->xfer[2].len = 1;
+	req->xfer[3].rx_buf = &req->sample;
+	req->xfer[3].len = 2;
+
+	/* REVISIT:  take a few more samples, and compare ... */
+
+	/* turn off reference */
+	req->xfer[4].tx_buf = &ref_off;
+	req->xfer[4].len = 1;
+	req->xfer[5].rx_buf = &req->scratch;
+	req->xfer[5].len = 2;
+
+	CS_CHANGE(req->xfer[5]);
+
+	/* group all the transfers together, so we can't interfere with
+	 * reading touchscreen state; disable penirq while sampling
+	 */
+	for (i = 0; i < 6; i++)
+		spi_message_add_tail(&req->xfer[i], &req->msg);
+
+	disable_irq(spi->irq);
+	status = spi_sync(spi, &req->msg);
+	enable_irq(spi->irq);
+
+	if (req->msg.status)
+		status = req->msg.status;
+	sample = be16_to_cpu(req->sample);
+	sample = sample >> 4;
+	kfree(req);
+
+	return status ? status : sample;
+}
+
+#define SHOW(name) static ssize_t \
+name ## _show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+	ssize_t v = ads7846_read12_ser(dev, \
+			READ_12BIT_SER(name) | ADS_PD10_ALL_ON); \
+	if (v < 0) \
+		return v; \
+	return sprintf(buf, "%u\n", (unsigned) v); \
+} \
+static DEVICE_ATTR(name, S_IRUGO, name ## _show, NULL);
+
+SHOW(temp0)
+SHOW(temp1)
+SHOW(vaux)
+SHOW(vbatt)
+
+/*--------------------------------------------------------------------------*/
+
+/*
+ * PENIRQ only kicks the timer.  The timer only reissues the SPI transfer,
+ * to retrieve touchscreen status.
+ *
+ * The SPI transfer completion callback does the real work.  It reports
+ * touchscreen events and reactivates the timer (or IRQ) as appropriate.
+ */
+
+static void ads7846_rx(void *ads)
+{
+	struct ads7846	*ts = ads;
+	unsigned	Rt;
+	unsigned	sync = 0;
+	u16		x, y, z1, z2;
+	unsigned long	flags;
+
+	/* adjust:  12 bit samples (left aligned), built from
+	 * two 8 bit values writen msb-first.
+	 */
+	x = be16_to_cpu(ts->tc.x) >> 4;
+	y = be16_to_cpu(ts->tc.y) >> 4;
+	z1 = be16_to_cpu(ts->tc.z1) >> 4;
+	z2 = be16_to_cpu(ts->tc.z2) >> 4;
+
+	/* range filtering */
+	if (x == MAX_12BIT)
+		x = 0;
+
+	if (x && z1 && ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
+		/* compute touch pressure resistance using equation #2 */
+		Rt = z2;
+		Rt -= z1;
+		Rt *= x;
+		Rt *= ts->x_plate_ohms;
+		Rt /= z1;
+		Rt = (Rt + 2047) >> 12;
+	} else
+		Rt = 0;
+
+	/* NOTE:  "pendown" is inferred from pressure; we don't rely on
+	 * being able to check nPENIRQ status, or "friendly" trigger modes
+	 * (both-edges is much better than just-falling or low-level).
+	 *
+	 * REVISIT:  some boards may require reading nPENIRQ; it's
+	 * needed on 7843.  and 7845 reads pressure differently...
+	 *
+	 * REVISIT:  the touchscreen might not be connected; this code
+	 * won't notice that, even if nPENIRQ never fires ...
+	 */
+	if (!ts->pendown && Rt != 0) {
+		input_report_key(&ts->input, BTN_TOUCH, 1);
+		sync = 1;
+	} else if (ts->pendown && Rt == 0) {
+		input_report_key(&ts->input, BTN_TOUCH, 0);
+		sync = 1;
+	}
+
+	if (Rt) {
+		input_report_abs(&ts->input, ABS_X, x);
+		input_report_abs(&ts->input, ABS_Y, y);
+		input_report_abs(&ts->input, ABS_PRESSURE, Rt);
+		sync = 1;
+	}
+	if (sync)
+		input_sync(&ts->input);
+
+#ifdef	VERBOSE
+	if (Rt || ts->pendown)
+		pr_debug("%s: %d/%d/%d%s\n", ts->spi->dev.bus_id,
+			x, y, Rt, Rt ? "" : " UP");
+#endif
+
+	/* don't retrigger while we're suspended */
+	spin_lock_irqsave(&ts->lock, flags);
+
+	ts->pendown = (Rt != 0);
+	ts->pending = 0;
+
+	if (ts->spi->dev.power.power_state.event == PM_EVENT_ON) {
+		if (ts->pendown)
+			mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
+		else if (ts->irq_disabled) {
+			ts->irq_disabled = 0;
+			enable_irq(ts->spi->irq);
+		}
+	}
+
+	spin_unlock_irqrestore(&ts->lock, flags);
+}
+
+static void ads7846_timer(unsigned long handle)
+{
+	struct ads7846	*ts = (void *)handle;
+	int		status = 0;
+	unsigned long	flags;
+
+	spin_lock_irqsave(&ts->lock, flags);
+	if (!ts->pending) {
+		ts->pending = 1;
+		if (!ts->irq_disabled) {
+			ts->irq_disabled = 1;
+			disable_irq(ts->spi->irq);
+		}
+		status = spi_async(ts->spi, &ts->msg);
+		if (status)
+			dev_err(&ts->spi->dev, "spi_async --> %d\n",
+					status);
+	}
+	spin_unlock_irqrestore(&ts->lock, flags);
+}
+
+static irqreturn_t ads7846_irq(int irq, void *handle, struct pt_regs *regs)
+{
+	ads7846_timer((unsigned long) handle);
+	return IRQ_HANDLED;
+}
+
+/*--------------------------------------------------------------------------*/
+
+static int
+ads7846_suspend(struct spi_device *spi, pm_message_t message)
+{
+	struct ads7846 *ts = dev_get_drvdata(&spi->dev);
+	unsigned long	flags;
+
+	spin_lock_irqsave(&ts->lock, flags);
+
+	spi->dev.power.power_state = message;
+
+	/* are we waiting for IRQ, or polling? */
+	if (!ts->pendown) {
+		if (!ts->irq_disabled) {
+			ts->irq_disabled = 1;
+			disable_irq(ts->spi->irq);
+		}
+	} else {
+		/* polling; force a final SPI completion;
+		 * that will clean things up neatly
+		 */
+		if (!ts->pending)
+			mod_timer(&ts->timer, jiffies);
+
+		while (ts->pendown || ts->pending) {
+			spin_unlock_irqrestore(&ts->lock, flags);
+			udelay(10);
+			spin_lock_irqsave(&ts->lock, flags);
+		}
+	}
+
+	/* we know the chip's in lowpower mode since we always
+	 * leave it that way after every request
+	 */
+
+	spin_unlock_irqrestore(&ts->lock, flags);
+	return 0;
+}
+
+static int ads7846_resume(struct spi_device *spi)
+{
+	struct ads7846 *ts = dev_get_drvdata(&spi->dev);
+
+	ts->irq_disabled = 0;
+	enable_irq(ts->spi->irq);
+	spi->dev.power.power_state = PMSG_ON;
+	return 0;
+}
+
+static int __devinit ads7846_probe(struct spi_device *spi)
+{
+	struct ads7846			*ts;
+	struct ads7846_platform_data	*pdata = spi->dev.platform_data;
+	struct spi_transfer		*x;
+	int				i;
+
+	if (!spi->irq) {
+		dev_dbg(&spi->dev, "no IRQ?\n");
+		return -ENODEV;
+	}
+
+	if (!pdata) {
+		dev_dbg(&spi->dev, "no platform data?\n");
+		return -ENODEV;
+	}
+
+	/* don't exceed max specified sample rate */
+	if (spi->max_speed_hz > (125000 * 16)) {
+		dev_dbg(&spi->dev, "f(sample) %d KHz?\n",
+				(spi->max_speed_hz/16)/1000);
+		return -EINVAL;
+	}
+
+	/* We'd set the wordsize to 12 bits ... except that some controllers
+	 * will then treat the 8 bit command words as 12 bits (and drop the
+	 * four MSBs of the 12 bit result).  Result: inputs must be shifted
+	 * to discard the four garbage LSBs.
+	 */
+
+	if (!(ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL)))
+		return -ENOMEM;
+
+	dev_set_drvdata(&spi->dev, ts);
+
+	ts->spi = spi;
+	spi->dev.power.power_state = PMSG_ON;
+
+	init_timer(&ts->timer);
+	ts->timer.data = (unsigned long) ts;
+	ts->timer.function = ads7846_timer;
+
+	ts->model = pdata->model ? : 7846;
+	ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
+	ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
+
+	init_input_dev(&ts->input);
+
+	ts->input.dev = &spi->dev;
+	ts->input.name = "ADS784x Touchscreen";
+	snprintf(ts->phys, sizeof ts->phys, "%s/input0", spi->dev.bus_id);
+	ts->input.phys = ts->phys;
+
+	ts->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
+	ts->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
+	input_set_abs_params(&ts->input, ABS_X,
+			pdata->x_min ? : 0,
+			pdata->x_max ? : MAX_12BIT,
+			0, 0);
+	input_set_abs_params(&ts->input, ABS_Y,
+			pdata->y_min ? : 0,
+			pdata->y_max ? : MAX_12BIT,
+			0, 0);
+	input_set_abs_params(&ts->input, ABS_PRESSURE,
+			pdata->pressure_min, pdata->pressure_max, 0, 0);
+
+	input_register_device(&ts->input);
+
+	/* set up the transfers to read touchscreen state; this assumes we
+	 * use formula #2 for pressure, not #3.
+	 */
+	x = ts->xfer;
+
+	/* y- still on; turn on only y+ (and ADC) */
+	x->tx_buf = &read_y;
+	x->len = 1;
+	x++;
+	x->rx_buf = &ts->tc.y;
+	x->len = 2;
+	x++;
+
+	/* turn y+ off, x- on; we'll use formula #2 */
+	if (ts->model == 7846) {
+		x->tx_buf = &read_z1;
+		x->len = 1;
+		x++;
+		x->rx_buf = &ts->tc.z1;
+		x->len = 2;
+		x++;
+
+		x->tx_buf = &read_z2;
+		x->len = 1;
+		x++;
+		x->rx_buf = &ts->tc.z2;
+		x->len = 2;
+		x++;
+	}
+
+	/* turn y- off, x+ on, then leave in lowpower */
+	x->tx_buf = &read_x;
+	x->len = 1;
+	x++;
+	x->rx_buf = &ts->tc.x;
+	x->len = 2;
+	x++;
+
+	CS_CHANGE(x[-1]);
+
+	for (i = 0; i < x - ts->xfer; i++)
+		spi_message_add_tail(&ts->xfer[i], &ts->msg);
+	ts->msg.complete = ads7846_rx;
+	ts->msg.context = ts;
+
+	if (request_irq(spi->irq, ads7846_irq, SA_SAMPLE_RANDOM,
+				spi->dev.bus_id, ts)) {
+		dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
+		input_unregister_device(&ts->input);
+		kfree(ts);
+		return -EBUSY;
+	}
+	set_irq_type(spi->irq, IRQT_FALLING);
+
+	dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
+
+	/* take a first sample, leaving nPENIRQ active; avoid
+	 * the touchscreen, in case it's not connected.
+	 */
+	(void) ads7846_read12_ser(&spi->dev,
+			  READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON);
+
+	/* ads7843/7845 don't have temperature sensors, and
+	 * use the other sensors a bit differently too
+	 */
+	if (ts->model == 7846) {
+		device_create_file(&spi->dev, &dev_attr_temp0);
+		device_create_file(&spi->dev, &dev_attr_temp1);
+	}
+	if (ts->model != 7845)
+		device_create_file(&spi->dev, &dev_attr_vbatt);
+	device_create_file(&spi->dev, &dev_attr_vaux);
+
+	return 0;
+}
+
+static int __devexit ads7846_remove(struct spi_device *spi)
+{
+	struct ads7846		*ts = dev_get_drvdata(&spi->dev);
+
+	ads7846_suspend(spi, PMSG_SUSPEND);
+	free_irq(ts->spi->irq, ts);
+	if (ts->irq_disabled)
+		enable_irq(ts->spi->irq);
+
+	if (ts->model == 7846) {
+		device_remove_file(&spi->dev, &dev_attr_temp0);
+		device_remove_file(&spi->dev, &dev_attr_temp1);
+	}
+	if (ts->model != 7845)
+		device_remove_file(&spi->dev, &dev_attr_vbatt);
+	device_remove_file(&spi->dev, &dev_attr_vaux);
+
+	input_unregister_device(&ts->input);
+	kfree(ts);
+
+	dev_dbg(&spi->dev, "unregistered touchscreen\n");
+	return 0;
+}
+
+static struct spi_driver ads7846_driver = {
+	.driver = {
+		.name	= "ads7846",
+		.bus	= &spi_bus_type,
+		.owner	= THIS_MODULE,
+	},
+	.probe		= ads7846_probe,
+	.remove		= __devexit_p(ads7846_remove),
+	.suspend	= ads7846_suspend,
+	.resume		= ads7846_resume,
+};
+
+static int __init ads7846_init(void)
+{
+	/* grr, board-specific init should stay out of drivers!! */
+
+#ifdef	CONFIG_ARCH_OMAP
+	if (machine_is_omap_osk()) {
+		/* GPIO4 = PENIRQ; GPIO6 = BUSY */
+		omap_request_gpio(4);
+		omap_set_gpio_direction(4, 1);
+		omap_request_gpio(6);
+		omap_set_gpio_direction(6, 1);
+	}
+	// also TI 1510 Innovator, bitbanging through FPGA
+	// also Nokia 770
+	// also Palm Tungsten T2
+#endif
+
+	// PXA:
+	// also Dell Axim X50
+	// also HP iPaq H191x/H192x/H415x/H435x
+	// also Intel Lubbock (additional to UCB1400; as temperature sensor)
+	// also Sharp Zaurus C7xx, C8xx (corgi/sheperd/husky)
+
+	// Atmel at91sam9261-EK uses ads7843
+
+	// also various AMD Au1x00 devel boards
+
+	return spi_register_driver(&ads7846_driver);
+}
+module_init(ads7846_init);
+
+static void __exit ads7846_exit(void)
+{
+	spi_unregister_driver(&ads7846_driver);
+
+#ifdef	CONFIG_ARCH_OMAP
+	if (machine_is_omap_osk()) {
+		omap_free_gpio(4);
+		omap_free_gpio(6);
+	}
+#endif
+
+}
+module_exit(ads7846_exit);
+
+MODULE_DESCRIPTION("ADS7846 TouchScreen Driver");
+MODULE_LICENSE("GPL");